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Electric Circuits

Electric Circuits
Form factor is equal to Peak factor in case of

 square wave.
All of these
 triangle wave.
 saw tooth wave.

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Electric Circuits
If one cycle of AC waveform occurs every millisecond, the frequency will be

 1000 Hz.
 50 Hz.
 10 kHz.
 100 Hz.

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Electric Circuits
The energy required to charge a 10 μF capacitor to 100 V is

 0.01 J.
 5 × 10-9 J.
 10 × 10-9 J.
 0.05 J.

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Electric Circuits
Total instantaneous power supplied by a 3 - φ AC supply to a balanced RL load is

 zero.
 constant.
 pulsating with non zero average.
 pulsating with zero average.

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Electric Circuits
A dependent source can be

 a voltage source.
 both a voltage or a current source.
 neither a voltage nor a current source.
 a current source.

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Electric Circuits
A balanced star connected load with impedance of 30j - 300 Ω is supplied from a 3 - phase, 4-wire, 173 V system, the voltages to neutral being 100j -900, 100j - 300 and 100j -1500 V. The current in neutral wire is

  8.85 A.
  zero.
  50 A.
  5 A.

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MORE MCQ ON Electric Circuits

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