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Electric Circuits

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

 100 Hz.
 1000 Hz.
 10 kHz.
 50 Hz.

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Electric Circuits
A dependent source can be

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

  zero.
  8.85 A.
  50 A.
  5 A.

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Electric Circuits
The value of specific gravity of acid when a lead acid battery is fully charged is

 1.285.
 2.9585.
 2.585.
 2.185.

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Electric Circuits
The capacitive reactance of a capacitor of (1 / 2μF) F at 103 Hz is

 10 6 μF.
 10- 6 μF.
 10- 3 μF.
 10 3 μF.

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Electric Circuits
The basic circuit elements are

 Vs, Is.
 R, L and C.
None of these
 both A and B.

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MORE MCQ ON Electric Circuits

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