Electrical Engineering MCQs

Page No. 2

The value of the capacitance depends upon the________________?


avoltage applied

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bthickness of the capacitor plates

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cgeometry of the capacitor

✓


ddinsity of the capacitor plates

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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

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d4 x 103 C

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View Answer 10-5 C

Equivalent capacitance is greater than individual capacitances in_____________?


aseries combination

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bparallel combination

✓


cboth series and parallel combinations

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d none of above

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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

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View Answer 6.2 x 1018

SI unit of the permittivity of free space is________________?


a Nm2C2

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bN-1mC-2

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cNmC-1

✖


d N-1m-2C2

✓


View Answer N-1m-2C2

Value of εr for various dielectrics is always________________?


a Less than unity

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b Equal to the unit

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c Larger than unit

✓


dNo hard and fast rule

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View Answer Larger than unit

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


a F/A

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bV/A

✓


cVF/A

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dq/VA

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View Answer V/A

Electric flux due to a point charge +q is______________?


a1/4IIɛ q/r

✖


b q/ɛ0

✓


c1/4IIɛ0. q/r2

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d 4IIɛ0

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View Answer q/ɛ0

N/C =_____________?


aV/A

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b J/V

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cV/m

✓


dA/m

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View Answer V/m

Photocopier and inject printer are dealt in________________?


aElectrostatics

✓


bCharges in motion

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cCapacitors

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dElectric fields

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View Answer Electrostatics

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