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Electric Circuits

Electric Circuits
For the network shown in figure, the value of current through 8Ω resistor is

 2.4 A.
 4.8 A.
 1.2 A.
 1.5 A.

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Electric Circuits
The synchronous speed for the seventh space harmonic mmf wave of 8 pole, 50 Hz induction machine will be

 107.14 rpm in forward direction.
 107.14 rpm in reverse direction.
 5250 rpm in reverse direction.
 5250 rpm in forward direction.

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Electric Circuits
In 2 port network Z12 = Z21 indicates which property

 linear.
 non linear.
 bilateral.
 unilateral.

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Electric Circuits
The internal resistance of a dry cell is of the order of

  1 to 1.5 Ohm.
  1 to 15 Ohm.
  2 to 5 Ohm.
  0.2 to 0.4 Ohm.

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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.
 75 V.
 125 V.
 0 V.

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Electric Circuits
The switch S is the circuit shown in figure is ideal. If the switch is repeatedly closed for 1 ms and opened for 1 ms, the average value of i(t) is

 0.35 mA.
 1 mA.
 0.5 mA.
  0.25 mA.

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MORE MCQ ON Electric Circuits

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