Explore topic-wise MCQs in Electrical Engineering.

This section includes 12 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.

Find the reactive power when the average power is 5W and Q=2.

A. 10W
B. 5W
C. 2W
D. 1W
Answer» B. 5W
2.

Find the value of Q if the reactive power is 10W and the average power is 5W.

A. 10
B. 5
C. 2
D. 1
Answer» D. 1
3.

FIND_THE_VALUE_OF_Q_IF_THE_REACTIVE_POWER_IS_10W_AND_THE_AVERAGE_POWER_IS_5W.?$

A. 10
B. 5
C. 2
D. 1
Answer» D. 1
4.

Find_the_reactive_power_when_the_average_power_is_5W_and_Q=2.$

A. 10W
B. 5W
C. 2W
D. 1W
Answer» B. 5W
5.

Q is the ratio of?

A. Active power to reactive power
B. Reactive power to active power
C. Reactive power to average power
D. Reactive power to capacitive power
Answer» D. Reactive power to capacitive power
6.

The maximum electrostatic energy stored in a capacitor at any instance is?

A. CVm<sup>2</sup>
B. 1/2*CVm<sup>2</sup>
C. CVm
D. CVm/2
Answer» C. CVm
7.

The maximum magnetic energy stored in an inductor at any instance is?

A. E=LIm<sup>2</sup>/2
B. E=LIm/2
C. E=LIm<sup>2</sup>
D. E=LIm<sup>2</sup>*2
Answer» B. E=LIm/2
8.

At resonance, electrostatic energy is ___________ the magnetic energy.

A. Greater than
B. Less than
C. Equal to
D. Depends on the circuit
Answer» D. Depends on the circuit
9.

At resonance, the capacitive energy is ___________ inductive energy.

A. Greater than
B. Less than
C. Equal to
D. Depends on the circuit
Answer» D. Depends on the circuit
10.

At resonance, the circuit appears __________

A. Inductive
B. Capacitive
C. Either inductive or capacitive
D. Resistive
Answer» E.
11.

The energy stored in the inductor is of _________ nature.

A. Electrostatic
B. Magnetic
C. Neither electrostatic nor magnetic
D. Either electrostatic or magnetic
Answer» C. Neither electrostatic nor magnetic
12.

The energy stored in the capacitor is of _________ nature.

A. Electrostatic
B. Magnetic
C. Neither electrostatic nor magnetic
D. Either electrostatic or magnetic
Answer» B. Magnetic