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Electric Circuits

Electric Circuits
For Norton’s equivalent circuit

 Voc = Isc / Req.
 Voc = Req /Isc.
 Isc = Voc Req.
 Isc = Voc / Req.

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Electric Circuits
Which of the following quantities consists of SI unit as WATT ?

 Power
 Current
 Charge
 Force

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Electric Circuits
What is the SI unit of electric current ?

 Ampere.
 Ohm.
None of these
 Faraday.

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

 10 W.
 5 W.
 0 W.
 - 5 W.

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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

 125 V.
 100 V.
 0 V.
 75 V.

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Electric Circuits
The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be

 400 Ω.
 4 Ω.
 800 Ω.
  40 Ω.

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MORE MCQ ON Electric Circuits

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