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Electric Circuits

Electric Circuits
The resistance of 200 W, 200 V lamp is

 800 Ω.
  200 Ω.
 100 Ω.
 400 Ω.

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Electric Circuits
The strength of current in 1 H inductor changes at rate of 1 A / sec. Find the voltage across it?

 2 V.
 None of these.
 0.5 V.
 1 V.

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Electric Circuits
In question no.3, which of the following is true ?

 iL(0) = ic (0).
 ic (0+) = i(0+).
 i(0+)= iL(0+).
 None of these.

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Electric Circuits
What will be the resistance if 10 resistors of 10 ohm each are connected in series?

 10 Ω.
 100 Ω.
 0.1 Ω.
 1 Ω.

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Electric Circuits
Internal resistance of ideal current source is

 finite
 infinite
 100 ohms
 zero

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Electric Circuits
Third pin of a 3 pin plug is thicker and longer

 all pins are of same size.
 none of these.
 for protection purpose.
 for designing purpose.

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MORE MCQ ON Electric Circuits

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