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 ___________
A. Faraday, Henry
B. Coulomb, Faraday
C. Henry, Faraday
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
Question 10
If the voltage across a capacitor is constant, then current passing through it is ?
A. 1
B. -1
C. 0
D. Infinite