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Electric Circuits

Electric Circuits
Which material has extremely large resistance?

 Conductor
 Semiconductor
None of these
 Insulator

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Electric Circuits
The mass of a proton is

 1.609 × 10 - 31 Kg.
 1.675 × 10 - 27 Kg.
 1.672 × 10 - 27 Kg.
 1.602 × 10 - 19 Kg.

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Electric Circuits
Total instantaneous power supplied by a 3 - φ AC supply to a balanced RL load is

 pulsating with zero average.
 zero.
 pulsating with non zero average.
 constant.

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Electric Circuits
If L and C both are doubled than damping in above circuit will be

 halved as compared to previous one.
 remains same.
None of these
 doubled as compared to previous one.

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Electric Circuits
Which quantity consists of a unit 1KWh ?

 Power
 Energy
 Time
 Charge

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Electric Circuits
For the circuit shown below the value of R is adjusted so as to make the current in RL equal to zero. Calculate the value of R.

 2 Ω.
 4 Ω.
 3 Ω.
 1 Ω.

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MORE MCQ ON Electric Circuits

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