Explore topic-wise MCQs in Electrical Engineering.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

If the charge in a capacitor is 4C and the energy stored in it is 4J, calculate the voltage across its plates.

A. 2V
B. 4V
C. 8V
D. 16V
Answer» B. 4V
2.

If the charge in a capacitor is 4C and the energy stored in it is 4J, find the value of capacitance.

A. 2F
B. 4F
C. 8F
D. 16F
Answer» B. 4F
3.

If the charge stored in a capacitor is 4C and the value of capacitance is 2F, calculate the energy stored in it.

A. 2J
B. 4J
C. 8J
D. 16J
Answer» C. 8J
4.

When do we get maximum energy from a set of capacitors?

A. When they are connected in parallel
B. When they are connected in series
C. Both in series and parallel
D. Insufficient information provided
Answer» B. When they are connected in series
5.

Energy stored in 2000mF capacitor charged to a potential difference of 10V is?

A. 0.1J
B. 0.2J
C. 0.3J
D. 0.4J
Answer» B. 0.2J
6.

Work done in charging a capacitor is ____________

A. QV
B. 1/2QV
C. 2QV
D. QV<sup>2</sup>
Answer» C. 2QV