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Electric Circuits

Electric Circuits
What is I1 in the given circuit?

  0.5 A.
  1.5 A.
  1 A.
  3 A.

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Electric Circuits
An electrical motor has rating of 10 MVA at 0.8 lag, represented as series RL circuit at a 50 MVA base. Find the impedance value?

 (2 + j4) pu
 (4 + j3) pu
 (3 + j4) pu
 (4 + j2 ) pu

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Electric Circuits
From the circuit diagram shown in question 1 find the thevnin voltage.

 5 V.
 15 V.
 1.5 V.
 3 V.

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

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

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Electric Circuits
Resistance of which material does not change with change in temperature?

 Brass.
 Tungsten.
 Platinum.
 Metal alloys constantan and manganin.

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Electric Circuits
Unit of apparent power is

 VA.
 KWhr.
 VAR.
 Watts.

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MORE MCQ ON Electric Circuits

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