Battery Charger Interview Questions

Battery Charger interview questions

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Total Questions: 5

1. When the voltage across a capacitor increases, what happens to the charge stored in it?

A. Increases

B. Decreases

C. Becomes zero

D. Cannot be determined

Correct Answer is : Increases

2. When will capacitor fully charged?

A. When the voltage across its plates is half the voltage from ground to one of its plates

B. When current through the capacitor is a 1/root2 time its value

C. When the supply voltage is equal to the capacitor voltage

D. Never

Correct Answer is : When the supply voltage is equal to the capacitor voltage

3. Which among the following expressions relate charge, voltage and capacitance of a capacitor?

A. Q=C/V

B. Q=V/C

C. Q=CV

D. C=Q2V

Correct Answer is : Q=CV

4. If a 2F capacitor has 1C charge, calculate the voltage across its terminals.

A. 0.5V

B. 2V

C. 1.5V

D. 1V

Correct Answer is : 2V

5. If one plate of a parallel plate capacitor is charged to positive charge the other plate is charged to?

A. Positive

B. Negative

C. Positive or negative

D. Not charged

Correct Answer is : Negative

Battery Charger interview questions