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Electric Circuits

Electric Circuits
The average value of half wave rectified sinusoidal current waveform, whose maximum value is 1A is

 0.5 A.
 1 A.
 0.318 A.
 0.637 A.

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Electric Circuits
KCL works on the principle of which of the following

 law of conservation of charge.
None of these
 law of conservation of energy.
 both.

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Electric Circuits
Which of the following materials has highest electrical conductivity ?

  Aluminium.
  Copper.
  Steel.
  Silver.

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Electric Circuits
A dependent source can be

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

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Electric Circuits
Internal resistance of ideal voltage source is

 zero
 100 ohms
 finite
 infinite

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Electric Circuits
Voltage magnification will occur in which of the following case?

 Series resonance
 Both
None of these
 Parallel resonance

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