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Electric Circuits

Electric Circuits
In the figure, the potential difference between points P and Q is

 12 V.
 6 V.
 10 V.
 - 6 V.

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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

 100 V.
 125 V.
 75 V.
 0 V.

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Electric Circuits
Two equal resistors R connected in series across a voltage source V dissipate power P. What would be the power dissipated in the same resistors when they are connected in parallel across the same voltage source?

 16P.
 2P.
 4P.
  P.

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Electric Circuits
Laplace transform analysis gives

 frequency domain response only.
 real response only.
 both (a) and (b).
 time domain response only.

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Electric Circuits
Which of the following has positive temperature coefficient ?

  Germanium.
  Paper.
  Rubber.
  Gold.

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Electric Circuits
When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of heater will

  decrease.
  increase.
  none of these.
  remain constant.

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MORE MCQ ON Electric Circuits

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