Electrical Engineering MCQs

Page No. 2

The value of the capacitance depends upon the________________?


avoltage applied


bthickness of the capacitor plates


cgeometry of the capacitor


ddinsity of the capacitor plates



A 5 μF capacitor has a potential difference across its plates of 200 volts. The charge on the capacitor is____________?


a2.5 x 10-8 C


b 10-5 C


c103 C


d4 x 103 C


View Answer 10-5 C

Equivalent capacitance is greater than individual capacitances in_____________?


aseries combination


bparallel combination


cboth series and parallel combinations


d none of above


View Answer parallel combination

The number of electrons in one coulomb charge is equal to_______________?


a6.2 x 1018


b1.6 x 1019


c6.2 x 1021


d1.6 x 10-27


View Answer 6.2 x 1018

SI unit of the permittivity of free space is________________?


a Nm2C2


bN-1mC-2


cNmC-1


d N-1m-2C2


View Answer N-1m-2C2

Value of εr for various dielectrics is always________________?


a Less than unity


b Equal to the unit


c Larger than unit


dNo hard and fast rule


View Answer Larger than unit

Which one of the following can be taken as the measure of electric intensity ?


a F/A


bV/A


cVF/A


dq/VA


View Answer V/A

Electric flux due to a point charge +q is______________?


a1/4IIɛ q/r


b q/ɛ0


c1/4IIɛ0. q/r2


d 4IIɛ0


View Answer q/ɛ0

N/C =_____________?


aV/A


b J/V


cV/m


dA/m


View Answer V/m

Photocopier and inject printer are dealt in________________?


aElectrostatics


bCharges in motion


cCapacitors


dElectric fields


View Answer Electrostatics

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