1. Which among the following expressions relates charge, voltage, and capacitance of a capacitor?
A. Q = C/V
B. Q = V/C
C. Q = CV
D. C = Q2V
2. If a 2F capacitor has 1C charge, calculate the voltage across its terminals.
3. What is the voltage across a capacitor at the time of switching, that is, when t = 0?
C. Cannot be determined
4. What is the voltage across the capacitor if the switch is closed and steady-state is reached?
5. If one plate of a parallel plate capacitor is charged to a positive charge the other plate is charged to?
C. Positive or negative
D. Not charged
6. When the voltage across a capacitor increases, what happens to the charge stored in it?
C. Becomes zero
D. Cannot be determined
7. When will the capacitor will be fully charged?
A. When the voltage across its plates is half the voltage from the ground to one of its plates
B. When the current through the capacitor is a 1/root2 time its value
C. When the supply voltage is equal to the capacitor voltage
8. What happens to the current flow in a fully charged capacitor?
A. Current flow stops
B. Current flow doubles
C. Current flow becomes half its original value
D. Current flow becomes one-fourth its original value
9. Calculate the capacitance of a capacitor that stores 40µC of charge and has a voltage of 2V.
10. What happens to the capacitance when the voltage across the capacitor increases?
C. Becomes 0
D. No effect