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Electric Circuits

Electric Circuits
Capacitors for P.f correction are rated in

 KW.
 KVAR.
 KV.
 KVA.

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Electric Circuits
Rms value is defined based on which of the following?

 Current
 Charge transfer
 Heating effect
 Voltage

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Electric Circuits
The internal resistance of a practical voltage source is considered to be connected in

None of these
 series.
 either parallel or series.
 parallel.

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Electric Circuits
A reactance having an inductor of 0.15 H is connected in series with 10 Ω resistance. What will be the inductive reactance?

 48.15 Ω.
 1.5 Ω.
 None of these.
 47.1 Ω.

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Electric Circuits
The resistivity of semi-conductors at room temperatures is

 1000 to 1500 ohm - cm.
 0.01 to 50 ohm - cm.
 1.6 × 106 to 100 × 106 ohm - cm.
 109 to 1012 ohm - cm.

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Electric Circuits
Which of the following has positive temperature coefficient ?

  Germanium.
  Gold.
  Rubber.
  Paper.

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MORE MCQ ON Electric Circuits

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