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1 . What theorem replaces a complex network with an equivalent circuit containing a source voltage and a series resistance? A . Multinetwork B . Norton C . Thevenin D . Superposition Answer & Explanation Answer: Option C Explanation: No answer description available for this question. Let us discuss . View Answer Workspace Report Discuss in Forum 2 . What is the power dissipated by R2, R4, and R6? A . P2 = 417 mW, P4 = 193 mW, P6 = 166 mW B . P2 = 407 mW, P4 = 183 mW, P6 = 156 mW C . P2 = 397 mW, P4 = 173 mW, P6 = 146 mW D . P2 = 387 mW, P4 = 163 mW, P6 = 136 mW Answer & Explanation Answer: Option A Explanation: No answer description available for this question. Let us discuss .

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1. What theorem replaces a complex network with an equivalent circuit containing a source voltage and a series resistance?A.Multinetwork B.NortonC.Thevenin D.SuperpositionAnswer & Explanation

Answer: Option C

Explanation:

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2. What is the power dissipated by R2, R4, and R6?

A.P2 = 417 mW, P4 = 193 mW, P6 = 166 mWB.P2 = 407 mW, P4 = 183 mW, P6 = 156 mWC.P2 = 397 mW, P4 = 173 mW, P6 = 146 mWD.P2 = 387 mW, P4 = 163 mW, P6 = 136 mWAnswer & Explanation

Answer: Option A

Explanation:

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3. 

If the load in the given circit is 120 k , what is the loaded output voltage?A.4.21 VB.15.79 VC.16 VD.19.67 VAnswer & Explanation

Answer: Option B

Explanation:

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4. In a series–parallel circuit, individual component power dissipations are calculated using:A.individual component parametersB.a percent of the voltage division ratio squaredC.total current squared multiplied by the resistor valuesD.a percent of the total power depending on resistor ratiosAnswer & Explanation

Answer: Option A

Explanation:

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5. The current flowing through an unloaded voltage divider is called the:A.resistor currentB.load currentC.bleeder current

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D.voltage currentAnswer & Explanation

Answer: Option C6. When a Wheatstone bridge is in a balanced condition, the center voltmeter in the bridge will

read:A.twice the source voltageB.the same as the source voltageC.zero voltsD.half the source voltageAnswer & Explanation

Answer: Option C

Explanation:

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7. When a load is connected to a voltage divider, the total resistance of the circuit will:A.decreaseB.doubleC.increaseD.remain the sameAnswer & Explanation

Answer: Option A

Explanation:

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8. With 21 V applied, if R1 = 5 ohms, R2 = 35 ohms, and R3 = 14 ohms, what is the current of R2 if R1 is series connected with parallel circuit R2 and R3?A.200 mAB.800 mAC.600 mAD.400 mAAnswer & Explanation

Answer: Option D

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Explanation:

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9. What is the total resistance of a circuit when R1 (7 k ) is in series with a parallel combination of R2 (20 k ), R3 (36 k ), and R4 (45 k )?A.4 k B.17 k C.41 k D.108 k Answer & Explanation

Answer: Option B

Explanation:

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10. 

If the load in the given circuit is 80 k , what is the bleeder current?A. 196 A

B.1.96 mAC.2 mAD.

2.16 mA

Answer & Explanation

Answer: Option B

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Explanation:

No answer description available for this question. Let us discuss. 11. 

What is the total resistance of the given circuit?A.

92

B.288 C.17.7 D.

128

Answer & Explanation

Answer: Option A

Explanation:

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12. What are the branch currents I2 and I3?

A.

I2 = 4 mA, I3 = 2 mA

B.I2 = 4.5 mA, I3 = 2.5 mAC.I2 = 5 mA, I3 = 3 mAD.

I2 = 5.5 mA, I3 = 3.5 mA

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Answer & Explanation

Answer: Option C

Explanation:

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13. 

If the load in the given circuit is open, what is the unloaded output voltage?A.

0 V

B.4 VC.16 VD.

20 V

Answer & Explanation

Answer: Option C

Explanation:

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14. What is the total resistance?

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A.

2.2 k

B.3.2 kC.4.2 kD.

5.2 k

Answer & Explanation

Answer: Option B

Explanation:

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15. 

How much voltage is dropped across R3 in the given circuit?A.

46 V

B.34 VC.23 VD.

12 V

Answer & Explanation

Answer: Option D

Explanation:

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No answer description available for this question. Let us discuss. 16. When placed into a circuit, how are electronic components usually connected?

A.

positive terminal to positive terminal

B.in parallelC.as a combination of series and parallelD.

in series

Answer & Explanation

Answer: Option C

Explanation:

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17. 

If the load in the given circuit is 12 k , what is the loaded output voltage?A.

5.88 V

B.14.12 VC.16 VD.

17.14 V

Answer & Explanation

Answer: Option B

Explanation:

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18. If a Wheatstone bridge is balanced, a voltmeter in the center of the bridge will read:A.

the same as the source voltage

B.half the source voltageC.zero voltsD.

twice the source voltage

Answer & Explanation

Answer: Option C

Explanation:

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19. What is the voltage to the load?

A.

11.4 V

B.12.4 VC.13.4 VD.

15.4 V

Answer & Explanation

Answer: Option D

Explanation:

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20. The first goal to accomplish in analyzing a complex series-parallel circuit is toA equate all parallel components

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.B.equate all series componentsC.solve for all the voltage dropsD.

solve for the total current and resistance

Answer & Explanation

Answer: Option D21. 

Which circuit fault do the meter readings in the given figure indicate?A.

The 1 k resistor is open.

B.The 4.7 k resistor is open.C.The 2.2 k resistor is open.D.

The 3.3 k resistor is open.

Answer & Explanation

Answer: Option B

Explanation:

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22. 

How much current is flowing through R1 in the given circuit?A.

0.3 A

B.0.15 AC.0.5 AD.

0.68 A

Answer & Explanation

Answer: Option C

Explanation:

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23. If R1 is in series with parallel connected to R2 and R3, what happens to total current if R2 opens?A.

increases

B.decreasesC.remains the sameD.

cannot tell

Answer & Explanation

Answer: Option B

Explanation:

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24. The first goal(s) to accomplish in analyzing a complex series–parallel circuit is to:A.

equate all parallel components

B.equate all series componentsC.solve for all the voltage dropsD.

solve for the total current and resistance

Answer & Explanation

Answer: Option D

Explanation:

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25. If a series–parallel circuit has all 30-ohm resistors, what is the total resistance when R1 is in series with a parallel circuit consisting of R2 and R3?A.

10 ohms

B.20 ohmsC.45 ohmsD.

90 ohms

Answer & Explanation

Answer: Option C26. Components or combinations of components with common currents, in a series–parallel

circuit, are in:A.

parallel with each other

B.series with each otherC.either series or parallel with each otherD.

none of the above

Answer & Explanation

Answer: Option C

Explanation:

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27. What determines if resistor connections are in series, parallel, or series–parallel?A.

the voltage source

B.the power sourceC.resistanceD.

current flow

Answer & Explanation

Answer: Option D

Explanation:

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28. What is the total resistance?

A.

800

B.1.2 kC.1.6 kD.

1.8 k

Answer & Explanation

Answer: Option D

Explanation:

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29. If R1 is in series with a parallel combination of R2, R3, and R4, when the resistance value of R2 increases, the voltage across R3 willA.

increase

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B.decreaseC.remain the sameD.

Cannot tell

Answer & Explanation

Answer: Option A

Explanation:

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30. A Wheatstone bridge can be used to determine an unknownA.

current B.resistance

C.power D.voltageAnswer & Explanation

Answer: Option B

Explanation:31. 

Which circuit fault do the meter readings in the given figure indicate?A.

The 1 k resistor is shorted.

B.The 4.7 k resistor is shorted.C.The 2.2 k resistor is shorted.D.

The 3.3 k resistor is shorted.

Answer & Explanation

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Answer: Option D

Explanation:

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32. In a series–parallel circuit consisting of R1 and R2 in series and connected in parallel with R3, if R1 opens, then R2's voltage will:A.

increase

B.decreaseC.remain the sameD.

cannot tell

Answer & Explanation

Answer: Option B

Explanation:

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33. 

In the given circuit, what is RUNK equal to if RV must be adjusted to 1,232 in order to balance the bridge?A.

220

B.6,899

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C.1,232 D.

More information is needed in order to find RUNK.

Answer & Explanation

Answer: Option A

Explanation:

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34. With 6 V applied, what is the voltage across R2 of a parallel combination of R2 (1 k ), R3 (2 k ), and R4 (1 k ) in series with R1, whose value is 2 k ?A.

1 V

B.3 VC.5 VD.

6 V

Answer & Explanation

Answer: Option A

Explanation:

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35. What is the power dissipated by R1, R2, and R3?

A.

P1 = 0.13 W, P2 = 0.26 W, P3 = 0.12 W

B.P1 = 0.26 W, P2 = 0.52 W, P3 = 0.23 WC.P1 = 0.52 W, P2 = 0.92 W, P3 = 0.46 WD.

P1 = 1.04 W, P2 = 1.84 W, P3 = 0.92 W

Answer & Explanation

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Answer: Option B1.  What is the current flow through R1, R2, and R3?

A.

1A, 1A, 1A

B.1A, 2A, 3AC.3A, 3A, 3AD.

3A, 2A, 1A

Answer & Explanation

Answer: Option A

Explanation:

V = IR

V = I(R1 + R2 + R3)

I = V/(R1 + R2 + R3)

= 9/(3 + 3 + 3)

= 9/9

= 1 Amp.

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2. One of the most common applications of a potentiometer is as an adjustable voltage divider, also known asA.voltage controlB.current controlC.volume controlD.divider control

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Answer & Explanation

Answer: Option C

Explanation:

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3. If the resistance total in a series circuit doubles, current will:A.be the sameB.be doubledC.reduce source voltageD.be halvedAnswer & Explanation

Answer: Option D

Explanation:

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4. Power is defined as:A.the rate at which work is doneB.workC.the conversion of energyD.joulesAnswer & Explanation

Answer: Option A

Explanation:

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5. What is the dc source voltage?

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A.78 VB.39 VC.13 VD.0 VAnswer & Explanation

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss. 6. The voltages across R1, R2, R3, and R4 are?

A.6 V, 3 V, 2 V, 1 VB.3 V, 3 V, 3 V, 3 VC.1 V, 2 V, 3 V, 6 VD.3 V, 6 V, 1 V, 2 VAnswer & Explanation

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Answer: Option C

Explanation:

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7. With a total resistance of 3300 ohms and a 45 V source, if R3 is 1200 ohms, what will be its voltage drop?A.16.36 VB.32.72 VC.10.90 VD.15.00 VAnswer & Explanation

Answer: Option A

Explanation:

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8. 

Calculate the voltage at point B in the given circuit.A.+10.48 VB.+0.94 VC.+2.6 VD.+3 VAnswer & Explanation

Answer: Option A

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Explanation:

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9. 

In the given circuit, what type of failure will cause the voltage at point B to equal the voltage at point C?A.R1 shortsB.R2 shortsC.R3 shortsD.R2 opensAnswer & Explanation

Answer: Option B

Explanation:

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10. 

What is the voltage at points B to D in the given circuit?A.

+19.2 V

B.+8.8 V

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C.+28 VD.

–19.2 V

Answer & Explanation

Answer: Option A

Explanation:

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Calculate the voltage at point C in the given circuit.A.

+1.48 V

B.+0.94 VC.+11.6 VD.

+3 V

Answer & Explanation

Answer: Option C

Explanation:

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12. An 8-ohm resistor is in series with a lamp. The circuit current is 1 A. With 20 V applied, what voltage is being allowed for the lamp?A.

4 V

B.8 V

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C.12 VD.

20 V

Answer & Explanation

Answer: Option C

Explanation:

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13. What is wrong, if anything, with this circuit?

A.

R1 is open.

B.R1 is shorted.C.R2 is open.D.

R2 is shorted.

Answer & Explanation

Answer: Option B

Explanation:

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14. Kirchhoff’s voltage law states that:A.

the sum of the voltage drops in a series circuit is equal to the total applied voltage

B.the algebraic sum of the resistances is equal to the sum of the voltagesC.the algebraic sum of the individual currents around a closed loop is zeroD the voltages developed across each element in a series circuit are identical

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.Answer & Explanation

Answer: Option A

Explanation:

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15. If series current doubles, then:A.

resistance is halved

B.voltage is doubledC.voltage is reducedD.

resistance is doubled

Answer & Explanation

Answer: Option A

Explanation:

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View Answer Workspace Report Discuss in Forum 16. What are the minimum and maximum output voltages?

A.

0 V, 4 V

B.0 V, 8 VC.0 V, 12 VD.

0 V, 16 V

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Answer & Explanation

Answer: Option D

Explanation:

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17. A short circuit has:A.

too much resistance

B.no conductanceC.no resistanceD.

low current

Answer & Explanation

Answer: Option C

Explanation:

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18. If three resistors of 1.5 kilohms, 470 ohms, and 3300 ohms are in series with a 25-volt source, what is the total circuit current?A.

210 mA

B.5.2 mAC.4.7 mAD.

.007 A

Answer & Explanation

Answer: Option C

Explanation:

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19. What is the total power in the circuit?

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A.

170 mW

B.1.7 WC.17 WD.

170 W

Answer & Explanation

Answer: Option A

Explanation:

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20. A string of resistors in a series circuit will:A.

divide the source voltage in proportion to their values

B.reduce the power to zeroC.cause the current to divideD.

increase the source voltage in proportion to the values

Answer & Explanation

Answer: Option A

Explanation:

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While putting three 1.5 V batteries into a flashlight, you put one in backwards. The flashlight will be ______________.A.

brighter than normal

B.dimmer than normalC.offD.

the same

Answer & Explanation

Answer: Option B

Explanation:

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22. 

If a voltage is connected between contacts 2 and 3 in the given circuit, which resistors will carry current?A.

All twelve resistors will carry current.

B.Only R6 and R11 will carry current.C.Only R2, R4, R6, and R11 will carry current.D.

Only R3, R6, R9, and R12 will carry current.

Answer & Explanation

Answer: Option C

Explanation:

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23. Given a series circuit containing resistors of different values, which statement is not true?A.

The current through each resistor is the same.

B.The sum of the voltage drops across each resistive element will be equal.C.The total resistance is the sum of the value of the resistors.D.

The voltage drop across each resistor is the same.

Answer & Explanation

Answer: Option D

Explanation:

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24. With 20 V applied, an 8-ohm resistor is in series with a lamp. When the lamp is removed, what voltage will be read across the lamp socket?A.

0 V

B.8 VC.12 VD.

20 V

Answer & Explanation

Answer: Option D

Explanation:

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25. When 50 V is applied to four series resistors, 100 µA flows. If R1 = 12 k , R2 = 47 k , and R3 = 57 k , what is the value of R4?A.

38.4 k

B.3.84 kC.384 kD.

3.84 M

Answer & Explanation

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Answer: Option C

Explanation:

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View Answer Workspace Report Discuss in Forum 26. In a series circuit, the voltage measured across a short will be:

A.

source voltage

B.infinite voltageC.zero voltsD.

the normal voltage drop

Answer & Explanation

Answer: Option C

Explanation:

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27. 

Which is a true statement about the circuit in the given circuit?A.

The batteries are series-aiding and the total source voltage equals 21 V.

B.The batteries are series-opposing and the total source voltage equals 3 V.C.The batteries are series-aiding and the total source voltage equals 3 V.D.

The batteries are series-opposing and the total source voltage equals 21 V.

Answer & Explanation

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Answer: Option B

Explanation:

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28. A series circuit current:A.

remains the same through each component

B.is the same as the individual resistancesC.is subtracted by each componentD.

varies through each component

Answer & Explanation

Answer: Option A

Explanation:

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29. 

If R2 opens in the given circuit, what is the voltage at point B?A.

+19.2 V

B.+8.8 VC.+28 VD.

–19.2 V

Answer & Explanation

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Answer: Option C

Explanation:

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30. If 5 V and 16 V power supplies are connected in series-opposing, what is the total voltage?A.

11 V

B.16 VC.21 VD.

80 V

Answer & Explanation

Answer: Option A

Explanation:

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View Answer Workspace Report Discuss in Forum 31. What is the total resistance?

A.

0 k ; there is no current

B.2 k ; the averageC.3 k ; the largestD.

6 k ; the sum

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Answer & Explanation

Answer: Option D

Explanation:

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32. Which equation determines individual resistor voltage drop?A.

V x R

B.I2 x RC.V x ID.

I x R

Answer & Explanation

Answer: Option D

Explanation:

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33. How will an open resistor affect a series circuit?A.

Current will flow around the open resistor.

B.The open resistor will drop 0 V.C.Total resistance will decrease.D.

No current will flow in the circuit.

Answer & Explanation

Answer: Option D

Explanation:

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34. The voltage drop across a series resistor is proportional to what other value?A total resistance

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.B.its own resistanceC.wattage ratingD.

the amount of time the circuit is on

Answer & Explanation

Answer: Option B

Explanation:

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35. Resistance in a series circuit will:A.

control the voltage

B.double the currentC.halve the powerD.

oppose current

Answer & Explanation

Answer: Option D

Explanation:

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View Answer Workspace Report Discuss in Forum 36. When a battery is connected to a series circuit, it delivers current based only upon:

A.

primary/secondary difference

B.total resistanceC.the polarity connectionsD.

average resistance

Answer & Explanation

Answer: Option B

Explanation:

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37. What determines the total resistance in a series circuit?A.

the largest resistor

B.the sum of the resistorsC.the largest resistor minus the smallerD.

the smallest resistor

Answer & Explanation

Answer: Option B

Explanation:

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38. If two resistors have the same voltage drop in a series circuit, it means:A.

they are connected in parallel

B.they are of unequal valueC.the voltage has doubledD.

they are of equal value

Answer & Explanation

Answer: Option D

Explanation:

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39. If series resistors dissipate 16 mW, 107 mW, 146 mW, and 243 mW, what is the total power consumed by the circuit?A.

128 mW

B.269 mWC.512 mWD.

1024 mW

Answer & Explanation

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Answer: Option C

Explanation:

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40. A series circuit schematic is recognized because all the components are connected:A.

diagonally across the page

B.in a uniform vertical mannerC.end to end in a "string"D.

horizontally across the page

Answer & Explanation

Answer: Option C

Explanation:

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View Answer Workspace Report Discuss in Forum 41. With a 900 V source, voltage is divided across 3 series resistors of 300 V, 280 V, and:

A.

30 V

B.270 VC.320 VD.

900 V

Answer & Explanation

Answer: Option C

Explanation:

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42. 

How much current flows in the circuit in the given circuit?A. 20 A

B.60 AC.80 AD. 140 A

Answer & Explanation

Answer: Option A

Explanation:

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1. 

Which circuit is known as a current-to-voltage converter?A.

a B.b

C.c D.dAnswer & Explanation

Answer: Option A

Explanation:

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2. When using an OTA in a Schmitt-trigger configuration, the trigger points are controlled byA.the Iout

B.the IBIAS

C.the Vout

D.both Iout and IBIAS

Answer & Explanation

Answer: Option D

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Explanation:

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3. 

Refer the given circuits. Which circuit is known as an OTA?A.a B.bC.c D.dAnswer & Explanation

Answer: Option D

Explanation:

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4. 

This circuit is a setup forA.an antilog amplifierB.a constant-current sourceC.an instrumentation amplifierD.an isolation amplifierAnswer & Explanation

Answer: Option C

Explanation:

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5. 

Which circuit is known as a voltage-to-current converter?

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A.a B.bC.c D.dAnswer & Explanation

Answer: Option B

Explanation:6. The primary function of the oscillator in an isolation amplifier is to

A.convert dc to high-frequency acB.convert dc to low-frequency acC.rectify high-frequency ac to dcD.produce dual-polarity dc voltages for the input to the demodulatorAnswer & Explanation

Answer: Option A

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7. 

Refer to Figure 20-2. This circuit is a setup forA.an antilog amplifierB.a constant-current sourceC.an instrumentation amplifierD.an isolation amplifierAnswer & Explanation

Answer: Option B

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8. An instrumentation amplifier has a highA.output impedanceB.power gainC.CMRRD.supply voltage

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Answer & Explanation

Answer: Option C

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9. 

This circuit is a setup forA.an antilog amplifierB.a constant-current sourceC.an instrumentation amplifierD.an isolation amplifierAnswer & Explanation

Answer: Option D

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10. Circuits that shift the dc level of a signal are calledA.

limiters

B.clampersC.peak detectorsD.

dc converters

Answer & Explanation

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Answer: Option B

Explanation:1.  As frequency increases

A.

both series and parallel RL impedance decrease

B.series RL impedance decreases and parallel RL impedance increasesC.series RL impedance increases and parallel RL impedance decreasesD.

both series and parallel RL impedance increase

Answer & Explanation

Answer: Option D

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2. 

Calculate the voltage dropped across R1 in the given circuit.A.14 VB.26.8 VC.28 VD.0 VAnswer & Explanation

Answer: Option B

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3. What is the true power of a 24 Vac parallel RL circuit when R = 45 and XL = 1100 ?

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A.313.45 WB.12.8 WC.44.96 WD.22.3 WAnswer & Explanation

Answer: Option B

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4. If XL= 100 and R = 100 , then impedance will beA.141.4 B.14.14 C.100 D.200 Answer & Explanation

Answer: Option A

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5. 

Which of the following statements is true if the inductor shorts out in the circuit in the given circuit?A.Each component drops 5 V.B.The impedance equals 0 .C.The power factor equals 1.D.The phase angle equals 90°.Answer & Explanation

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Answer: Option C6. 

Calculate the voltage dropped across L2 in the given circuit.A.18 VB.6 VC.13.5 VD.0 VAnswer & Explanation

Answer: Option B

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7. What is the magnitude of the phase angle of a 24 Vac parallel RL circuit when R = 45 and XL

= 1100 ?A.0.001° B.2.3°C.87.6° D.89.9°Answer & Explanation

Answer: Option B

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8. 

Which of the following statements is true if the frequency decreases in the circuit in the given circuit?A.The phase angle decreases.B.VR decreases.C.IT decreases.D.VS decreases.Answer & Explanation

Answer: Option A

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9. What is the magnitude of the phase angle between the source voltage and current when a 100 mH inductor with an inductive reactance of 6 k and a 1 k resistor are in series with a source?A.0.1° B.9.0°C.61.0° D.81.0°Answer & Explanation

Answer: Option D

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10. 

Which of the following statements is true if R1 opens in the circuit in the given circuit?A.

IL2 increases.

B.ZT decreases.C.VS increases.D.

VL1 equals 0 V.

Answer & Explanation

Answer: Option D

Explanation:11. 

Which of the following statements is true if R = 100 and XL = 100 in the circuit in the given circuit?A.

Each component drops 5 V.

B.The impedance equals 200 .C.The power factor equals 1.D.

The phase angle equals 45°.

Answer & Explanation

Answer: Option D

Explanation:

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12. Which of the following statements is true about a lag network?A.

An increase in frequency causes an increase in phase lag.

B.An increase in frequency causes an increase in the magnitude of the output voltage.C.A decrease in frequency causes an increase in phase lag.D.

A decrease in frequency causes a decrease in the magnitude of the output voltage.

Answer & Explanation

Answer: Option A2. 

What is the bandwidth of the circuit?

A.

31.8 Hz

B.32.3 HzC.142 HzD.

7.2 kHz

Answer & Explanation

Answer: Option B

7. What is the quality factor?

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A.999 B.223C.2.2 D.0.99Answer & Explanation

Answer: Option C

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8. What effect will a parallel tank have upon final filter current?A.very littleB.The bandpass frequencies will change.C.The frequency cutoff will change.D.The impedance will block output.Answer & Explanation

Answer: Option A

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9.  What is the total current?

A 56.6 mA

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.B.141 mAC.191 mAD.

244 mA

Answer & Explanation

Answer: Option B11. 

What is the resonant frequency in the given circuit?A.

11.6 Hz

B.275.8 HzC.1.5 kHzD.

3.2 kHz

Answer & Explanation

Answer: Option D

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12. Series RLC voltage or impedance totals must be calculated by:A.

subtracting the values

B.graphing the anglesC.adding vectorsD.

multiplying the values

Answer & Explanation

Answer: Option C

Explanation:

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13. What is the total current?

A.

15.6 mA

B.17.8 mAC.21.9 mAD.

26.0 mA

Answer & Explanation

Answer: Option A18. 

What is the voltage across the capacitor in the given circuit?A.

6.8 V

B.11.9 VC.16.1 VD.

22.9 V

Answer & Explanation

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Answer: Option D

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19. 

What is the impedance of the circuit in the given circuit?A.

1.05 k

B.1.33 kC.2.19 kD.

3.39 k

Answer & Explanation

Answer: Option A24. 

What is the resonance frequency?

A.

31.8 Hz

B.71 HzC.7.1 kHzD 31.8 kHz

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.Answer & Explanation

Answer: Option B

Exercise

General Questions True or False Filling the Blanks

"Nothing is impossible to a willing heart."- (Proverb)26. 

What is the bandwidth in the given circuit. If the winding resistance of the coil is 12 ?A.

6.4 kHz

B.47.2 kHzC.53.7 kHzD.

60.2 kHz

Answer & Explanation

Answer: Option A30. 

What is the current through the capacitor in the given circuit?

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A.

3.5 mA

B.5.5 mAC.9 mAD.

11.4 mA

Answer & Explanation

Answer: Option A

31. What is the total impedance of a 60 Hz series RLC circuit when XL = 7.5 ohms, XC = –265.3 ohms, and R = 33 ohms?A.

257.8 ohms

B.259.9 ohmsC.290.8 ohmsD.

1989.75 ohms

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32. 

What is the total current for the nonideal circuit in the given circuit. If it is at resonance?A.

0 A

B.284 AC.3.3 mAD.

38.5 mA

Answer & Explanation

Answer: Option B

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33. What is the high cutoff frequency for an RLC circuit that resonates at 2000 Hz and has a

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bandwidth of 250 Hz?A.

2125 Hz

B.2250 HzC.1750 HzD.

8.0 Hz

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34. Current in a series RLC circuit may always be used as:A.

a leading vector

B.a referenceC.an angleD.

a lagging vector

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35. What is the impedance of the circuit?

A.

12.2 k

B.14.5 kC.17.8 kD.

20.3 k

Answer & Explanation

Answer: Option D

Explanation:

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36. 

What is the resonant frequency in the given circuit?A.

6.5 kHz

B.53.7 kHzC.107.4 kHzD.

18.1 MHz

Answer & Explanation

Answer: Option B

Explanation:

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37. 

What is the impedance of the circuit in the given circuit?A.

125.7

B.297.6 C.370.1 D.

423.3

Answer & Explanation

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Answer: Option C

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38. What is the approximate phase angle in a series RLC circuit when VC = 117 V, VR = 14.5 V, and VL = 3.3 V?A.

–45.0 degrees

B.–82.7 degreesC.–90.0 degreesD.

–172.7 degrees

Answer & Explanation

Answer: Option B

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39. Which statement best describes reactance in a series RLC circuit?A.

Capacitive reactance is always dominant.

B.Inductive reactance is always dominant.C.Resistance is always dominant.D.

The larger of the two reactances is dominant.

Answer & Explanation

Answer: Option D

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40. What is the band pass (F1 – F2) of an RLC filter that resonates at 150 kHz and has a coil Q of 30?

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A.

100.0 kHz to 155.0 kHz

B.147.5 kHz to 152.5 kHzC.295.5 kHz to 4500 kHzD.

149,970 Hz to 150,030 Hz

Answer & Explanation

Answer: Option B

Explanation:

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A.

0.279 B.0.479

C.0.679 D.0.879Answer & Explanation

Answer: Option B

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42. What is the phase angle?

A.

61.4º B.28.5º

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C.-28.5º D.-61.4ºAnswer & Explanation

Answer: Option C

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43. What would be the power factor for an RLC circuit that acts inductively?A.

+90 degrees leading

B.oneC.zeroD.

–90 degrees lagging

Answer & Explanation

Answer: Option C

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44. Voltage lags current in an RLC circuit when it acts:A.

capacitively B.resistively

C.inductively D.resonantlyAnswer & Explanation

Answer: Option A

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45. 

What is the bandwidth of the circuit in the given circuit?A.

11.6 Hz

B.275.9 HzC.1.5 kHzD.

3.2 kHz

Answer & Explanation

Answer: Option B

Explanation:

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What is the voltage across R1, C1, and L1?

A.

VR = 156 V, VC = 165 V, VL = 441 V

B.VR = 178 V, VC = 187 V, VL = 503 VC.VR = 219 V, VC = 232 V, VL = 619 VD.

VR = 260 V, VC = 276 V, VL = 735 V

Answer & Explanation

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Answer: Option A

Explanation:

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