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Electric Circuits

Electric Circuits
In RLC series circuit, at resonance condition the value of current is

None of these
 Minimum
 Maximum
 Zero

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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
What is apparent power in AC operation?

 Product of rms voltage and rms current.
 Product of voltage and current at no load.
 Product of voltage and current.
 Product of voltage and current at full load.

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Electric Circuits
The thevnin equivalent of the circuit shown in the figure is

 1.5V, 5/6 Ohm
 1.5V, 1.5 Ohm
 0.75V, 5/6 Ohm
 0.75 V, 1.5 Ohm

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Electric Circuits
Given network is having N nodes and B branches, then number of twigs are

 N.
 N - 1.
 B - N - 1.
 B - N + 1.

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Electric Circuits
The synchronous speed for the seventh space harmonic mmf wave of 8 pole, 50 Hz induction machine will be

 5250 rpm in reverse direction.
 107.14 rpm in forward direction.
 5250 rpm in forward direction.
 107.14 rpm in reverse direction.

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MORE MCQ ON Electric Circuits

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