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Electric Circuits

Electric Circuits
What is the frequency of domestic power in India?

 70 Hz.
 50 Hz.
 220 Hz.
 60 Hz.

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Electric Circuits
Silver coating is provided for

  all of above.
  protective purpose.
  decorative purpose.
  bearing surfaces.

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Electric Circuits
While Thevenizing a circuit between two terminals, VTH is equal to

 net voltage available in the circuit.
 none of these.
 short circuit terminal voltage.
 open circuit terminal voltage .

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Electric Circuits
200 resistors of 200 Ω each are connected in parallel. Their equivalent resistance will be

 400 Ω.
 4 kΩ.
 1 Ω.
 200 Ω.

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Electric Circuits
In ideal system coefficient of coupling(k) is

 Both 2 and 3
 0
 ∞
 1

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Electric Circuits
The efficiency in case of maximum power transfer theorem is

 less than 50 %.
 50 % - 100 %.
 100 %.
 50 %.

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MORE MCQ ON Electric Circuits

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