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Electric Circuits

Electric Circuits
Active element of electrical circuit is

 voltage source.
 none of above.
 both of them.
 current source.

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Electric Circuits
If two point charges are denoted by + Q and - Q and distance between this charges is d, then the dipole moment P equal to

  Q × d.
  Q / d2.
  Q2 / d.
  Q2 × d.

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Electric Circuits
Consider the following circuit : Switch is closed at t = 0 Find i(0 +)

 0.
 V / {R + (sL + 1 / Cs)}.
 (V*L) / (R*C)
 V/R.

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Electric Circuits
In series RLC circuit, voltage across resistor, inductor and capacitor are 5V, 2V and 2V respectively. Find total voltage?

 5V
 2V
 9V
 4V

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Electric Circuits
Which of the following has positive temperature coefficient ?

  Paper.
  Germanium.
  Rubber.
  Gold.

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Electric Circuits
To reduce hysteresis loss, we use

 copper bars.
 soft-iron.
 CRGO steel.
 laminated sheets.

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MORE MCQ ON Electric Circuits

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