Electrical Engineering Mcqs

If an electrons is allowed to move along the field in a non uniform electric field then it will follow__________________?

(A) Spiral path
(B) Straight line
(C) Curved path
(D) Circular path

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Selenium becomes a conductor in light so it behaves like____________?

(A) Semiconductor
(B) Photodiode
(C) Light emitting diode
(D) Capacitor

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In a charged capacitor the energy resides in________________?

(A) magnetic hield
(B) electric field
(C) nuclear field
(D) gravitational field

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A capacitor is a perfect insulator for______________?

(A) direct current
(B) alternating current
(C) both for the direct and alternating current
(D) none of above

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A charge of 0.10C accelerated through a potential difference of 1000V acquires kinetic energy_______________?

(A) 200J
(B) 100J
(C) 1000J
(D) 100 eV

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Electric intensity at infinite distance from the point charge is_____________?

(A) zero
(B) infinite
(C) positive
(D) negative

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In a non-uniform electric field a polar molecule will experience____________?

(A) Net torque
(B) Net force
(C) both series and parallel combinations
(D) zero

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

(A) 2.5 x 10-8 C
(B) 10-5 C
(C) 103 C
(D) 4 x 103 C

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Equivalent capacitance is greater than individual capacitances in_____________?

(A) series combination
(B) parallel combination
(C) both series and parallel combinations
(D) none of above

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

(A) 6.2 x 1018
(B) 1.6 x 1019
(C) 6.2 x 1021
(D) 1.6 x 10-27

Submitted By :Ali Uppal