Quiznetik
Electromagnetics | Set 7
1. Leakage in capacitors is primarily caused by _________
A. transistors
B. resistors
C. inductors
D. dc motors
Correct : A. transistors
2. What is the conduction current when a capacitor is fully charged?
A. infinity
B. zero
C. 100a
D. 1000a
Correct : B. zero
3. The flow of electrons in dielectric is due to _________
A. conduction
B. potential difference
C. breakdown
D. resistance
Correct : C. breakdown
4. Displacement current depends on ___________
A. moving charges
B. change in time
C. both moving charges and change in time
D. neither moving charges nor change in time
Correct : B. change in time
5. Paper capacitor is a type of _________
A. fixed capacitor
B. variable capacitor
C. either fixed or variable depending on its usage
D. neither fixed nor variable
Correct : A. fixed capacitor
6. In a variable capacitor, capacitance can be varied by ______
A. turning the rotatable plates in or out
B. sliding the rotatable plates
C. changing the plates
D. changing the material of plates
Correct : A. turning the rotatable plates in or out
7. The simplest kind of capacitor is ________
A. ceramic capacitor
B. electrolyte capacitor
C. tuning capacitor
D. paper capacitor
Correct : D. paper capacitor