Using V = IR in parallel circuits

1. Consider the following circuit.

a) Calculate the total resistance in the circuit.b) Calculate the total current in the circuit.c) What is the voltage across each of the resistors?d) Calculate the current passing through R1.e) Calculate the current passing through R2.

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2. Consider the following circuit in which X = 15Ω and Y = 5Ω.

a) Calculate the total resistance in the circuit.b) Calculate the total voltage in the circuit.c) Calculate the current passing through X.d) Calculate the current passing through Y.

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3. Consider the following circuit.Resistor A is 4Ω, resistor B is 6Ω and resistor C is 15Ω.a) What is the total resistance of A and B? b) What is the current passing through A and B?c) What is the current passing through ammeter Y?d) What is the total resistance of the circuit?e) What is the current passing through ammeter X?

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