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Electric Circuits

Electric Circuits
Total power consumed in the circuit below is 10 W. Find X.

 1 A.
 None of these.
  2 A.
 3 A.

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Electric Circuits
The rms value of the resultant current in a wire which carries a DC current of 10A and a sinusoidal current of peak value 20A is

 22.4A.
 17.3A .
 30A.
 14.14A.

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Electric Circuits
A conductor of length l meters moves at right angles to a uniform magnetic field of flux density B = 1.5 T. if the velocity of revolution of the conductor is 50 ms-1 then induced e.m.f. in the conductor is

 0 V.
 125 V.
 75 V.
 100 V.

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Electric Circuits
Consider the following circuit. What is the value of i ?

 12 A.
 6 A.
 - 5 A.
  5 A.

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Electric Circuits
When 125 V is applied across a 250 V, 100 W filament incandescent bulbs, the power consumption is

 25 W.
 12.5 W.
 100 W.
 50 W.

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Electric Circuits
What would be the power given by source V2?

 10 W.
 5 W.
 - 5 W.
 0 W.

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