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Electric Circuits

Electric Circuits
Which metal is deposited for electro forming?

  Chromium.
  Iron.
  Silver.
  Nickel.

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Electric Circuits
Condition of symmetry in ABCD parameter representation is

 B = D.
 C = D.
 A = D.
 AD - BC = 1.

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Electric Circuits
1 F is theoretically equal to

 none of these
 ratio of 1 V to 1 C
 ratio of 1 C to 1 V
 1 ohm of resistance

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Electric Circuits
Time constant of RC series circuit is

 RC
 L/R
 2RC
 2L/R

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Electric Circuits
A circuit contains two unequal resistor in parallel

 voltage drops are according to their resistive value.
 heat losses in both are same.
 voltage drops across both are same.
 currents in both are same.

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Electric Circuits
A motor having a power factor of 0.8 absorbs in active power of 1200 W the reactive power drawn from the supply is _________ VA.

 250
 900
 130
 400

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MORE MCQ ON Electric Circuits

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