Electrical Engineering MCQ Question and Answer
Electrical Engineering MCQ Question and Answer
31. The amplitude of current of full wave rectified sinusoidal wave is 80 A, its average
value will be
- 25.44A
- 80A
- 40A
- 56.56A
32. Find the total current supplied to the lamp rated 100w .when supply voltage is 200 v.
- 1.75A
- 2A
- 0.5A
- 1A
34. The power factor of a purely capacitive circuit is always
- Lagging
- Leading
- Unity
- Zero lagging
35. The overall circuit power factor of a RLC series circuit is found to be 0.898 lagging. The nature of the resultant circuit is
- Resistive
- Inductive
- Capacitive
- None of these
36. The maximum, rms and average value of a periodic current wave form is 100 A,
64.42A and 57.5A, respectively. The peak factor of this wave is
- 0.644
- 1.552
- 1.12
- None of these
37. In a parallel resistance circuit
- Power is same in all resistance
- Current is same in all resistance
- Voltage is same in all resistance
- Resistances are same