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Electric Circuits

Electric Circuits
Conductance of any conductor is expressed as

  volt2 / watt.
  ampere / watt.
  watt / ampere2.
  mho.

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Electric Circuits
In RLC parallel network R = 2 Ohm, L = 2mH and C = 1μF. Find the value of time constant?

 4 μsec
 4 msec
 2 μsec
 2 msec

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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
Which of the following lamp has least resistance ?

 100 W, 220 V.
  200 W, 220 V.
  25 W, 220 V.
  60 W, 220 V.

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Electric Circuits
How many 200W / 220V bulbs connected in series across 220V supply will consume 100W?

 2.
 4.
 Not possible.
 1.

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Electric Circuits
A capacitor has a capacitance of 6 μF. Calculate the stored energy in it if a DC voltage of 100 V, is applied across it?

 3 × 102 joules.
 4 × 102 joules.
 6 × 102 joules.
 2.5 × 102 joules.

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MORE MCQ ON Electric Circuits

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