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# Inductor and Capacitor - Electric Circuits MCQs

Inductor and Capacitor MCQs : Here you will find MCQ Questions related to "Inductor and Capacitor" in Electric Circuits. These Inductor and Capacitor Sources MCQ Questions Will help you to improve your Electric Circuits knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations.

Question 1

The formula used to find the capacitance C is ?

A. QV
B. Q+V
C. Q-V
D. Q/V

Question 2

The capacitor doesn’t allow sudden changes in?

A. Voltage
B. Current
C. Resistance
D. Capacitance

Question 3

The Inductor doesn’t allow sudden changes in?

A. Voltage
B. Current
C. Resistance
D. Capacitance

Question 4

The expression for energy of an inductor?

A. (1/2) LI
B. L/(2I)
C. ½ (L^2)I
D. ½ L(I^2)

Question 5

The units for inductance is _________ and capacitance is ___________

D. Henry, Coulomb

Question 6

If a capacitor of capacitance 9.2F has a voltage of 22.5V across it. Calculate the energy of the capacitor.

A. 5062.5W
B. 506.25W
C. 50.625W
D. 50625W

Question 7

The voltage applied to a pure capacitor of 50*10-6 F is as shown in figure. Calculate the current for 0-1msec A. 5A
B. 1A
C. 4A
D. 3A

Question 8

The conducting surfaces are called electrodes and the insulating medium is called?

A. Electrode
B. Capacitive medium
C. Conducting medium
D. Dielectric

Question 9

Induced voltage across an inductor is?

A. 1
B. -1
C. 0
D. Infinite