Emt Quiz Unit Wise

8/11/2019 Emt Quiz Unit Wise

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VASAVI COLLEGE OF ENGINEERING, IBRAHIMBAGH, HYDERABAD-31

DEPARTMENT OF ELECTRONICS & COMMUNICATION ENGINEERING

ELECTOMAGNETIC THEORY: Unit wise !i" !esti#ns Faculty Name :

A.Srilak!miUNIT " #

#. E$%re t!e %i't P()*+*,- i' cyli'rical a' %!erical c/ri'ate re%ecti0ely

11111111111111111* 11111111111111111

2. T!e %te'tial 3 a' electric i%le 0arie a #4r2. T!e electric 3iel i'te'ity 0arie a

(a-#4r2 (5- #4r) (c-#4r (- i'e%e'e't 3 r 6 7). Determi'e t!e 8raie't 3 t!e calar 0iel 9 ;< i' =>;2

11111111111111111111111111111+. ?!at i t!e %!yical i8'i3ica'ce 3 t!e i0er8e'ce 11111111111111111

@. T!e tem%erature i' a' auitrium i 8i0e' 5y T $2>y2/


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#.T!e ttal Brk 'e* r t!e electric %te'tial e'er8y* t m0e a %i't J 3rm%i't AS

t K i' a' electric 3iel i 111111111111111

2. Pii'H euati' 3r electrtatic 3iel i 111111111111111

). U'iue'e t!erem tate t!at i3 a'y luti' La%lace euati' r Pii'H

euati' B!ic! al ati3ie 111111111111111111111111 mut 5e t!e 'ly

luti' e$it.

+. T!e irecti' 3 8raie't 3 a calar 3iel 9 i al'8 t!e irecti' 3 111111111

(a- t!e ma$imum i'creae 3 t!e 3u'cti' 9

(5- t!e mi'imum i'creae 3 t!e 3u'cti' 9

ra'm irecti'

,. 1111111111 i e3i'e a a 3rce acti'8 0er a ita'ce.

@. ?!e' t!e i0er8e'ce 3 a 0ectr 3iel i 2 0lt* t!e electric 3iel i 6 7

(A- + 04m

(K- K

(C- /+$$04m

(D- N'e

. A c'uctr ccu%yi'8 t!e re8i' $, !a t!e a ur3ace c!ar8e e'ity22

F

yzs

+

=

Brite t!e e$%rei' 3r 0ectr E a' D ut utie t!e c'uctr

. Calculate t!e ca%acita'ce 3 a %arallel ca%acitr !a0i'8 mica ielecetric * R @* a

%late area 3 # i'2* a' a e%arati' 3 .# i'

#. T!e li'ear relati' !i% 5etBee' 0ectr P a' 0ectr E i' electrtatic 3iel i

111111111111

UNIT /)


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#.U'it 3 ma8'etic i%le mme't are 11111111111111111111

2. ?!e' 5t! electric 3iel a' ma8'etic 3iel are %ree't i' a re8i' at t!e ame time

t!e 3rce a %article i 8i0e' 5y 1111111111 euati'.

).1111111111 t!erem tate t!at t!e i'te8ral 3 t!e ta'8e'tial cm%'e't 3 a 0ectr

3iel F aru' c'tur C i eual t t!e i'te8ral 3 t!e 'rmal cm%'e't 3 curl F

0er S111111111111111111

+. Relati' !i% KetBee' 0ectr Q a' 9ectr 1111111111

,. Steay ma8'etic 3iel are 80er'e 5y 1111111111 laB.

a. Kit"Sa0art

5. Am%ere Circuital

c. Kt! (a- a' (5-

. N'e 3 t!ee

@. T!ere Bill 5e 3rce 3 attracti' 5etBee' tB curre't/carryi'8 c'uctr i3 t!e

curre't are i' 1111111111 irecti'.

a. Same

5. O%%ite

c. N'e 3 t!ee

. Ca''t ay

. Lre't< 3rce euati' cm%rie 1111111111 a' 1111111111 3rce.

a. Electric* ma8'etic

5. Mec!a'ical* c!emical

c. Kt! (a- a' (5-

. N'e 3 t!ee

. Ma8'etic i%le mme't i a %ruct 3 1111111111.

a. Curre't a' area

5. Area a' it irecti'

c. Curre't* area a' it irecti'

. N'e 3 t!ee

. Accri'8 t 1111111111 LaB* i'uce curre't act t %ruce a' %%i'8 3lu$.

a. Ki"Sa0art


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5. Le'


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). ?rite t!e Mat!ematical 3rm 3 eac! laB

(a-Am%erH laB

(5-FaraayH laB

(c-GauH LaB

(-Curre't c'ti'uity euati'

). U'it 3 term 4 are 111111111111111+. T!e 0lta8e i'uce 5y a c!a'8i'8 3lu$ !a a %larity uc! t!at t!e curre't

eta5li!e i' a cle %at! 8i0e rie t a 3lu$ B!ic! %%e t!e c!a'8e i' 3lu$

(a- Le'


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+. A u'i3rm %la'e Ba0e i' air i 'rmally i'cie't ' a electric la5 3 t!ick'e V24+*

a' i'tri'ic im%ea'ce '2 2@ !m. Determi'e t!e ma8'itue a' %!ae 3

re3lecti' ce33icie't.

,. ?!at i a ta'i'8 Ba0e 111111111111111

@. Calculate t!e ki' e%t!(a' im%rta't %arameter ecri5i'8 t!e 5e!a0iur 3

c'uctr i' EM 3iel- 3r c%%er at @ Q< ( ,.W#S4m- 111111111111111

. At t!e KreBter a'8le* %lari


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c. e+x

. ex

#+.I' t!e cae 3 a %er3ect ielectric meium* %!ae c'ta't 11111111111111 a

c'ucti0ity i'creae.a. I'creae

5. Decreae

c. Remai' u'c!a'8e

. N'e 3 t!ee

#,.P!ae 0elcity i 8i0e' a 111111111.

a.

5.

c. /

. N'e 3 t!ee

#@.I' 8 c'uctr* rate 3 atte'uati' i 1111111111.

a. Small

5. Lar8e

c. I'3i'ity

. Zer

#.PBer e'ity !a 11111111111111111.

a. A DC cm%'e't

5. A ec' !arm'ic cm%'e't

c. Kt! (a- a' (5-

. N'e 3 t!ee

#.Re3lecti' ce33icie't [ i 1111111111.

a. \#

5. #

c.

#


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. N'e 3 t!ee

#.?!ic! 3 t!e 3llBi'8 e$%rei' i crrect

a. (# > [- ]

5. (# > ]- [

c. (# > [- ]

. (# > ]-[

2.Sta'i'8 Ba0e c'it 3 tB tra0elli'8 Ba0e 3 111111111111 am%litue a'

1111111111111 i irecti'.

a. U'eual* ame

5. U'eual* %%ite

c. Eual* ame

. Eual* %%ite

2#.SNR ra'8e 3rm 111111.

a. t #

5. # t #

c. # t #

. # t ^

22.S'ell LaB 1111111.

2).KreBter a'8le i 8i0e' a ta' B 111111111111.

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Emt Quiz Unit Wise