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Electric Circuits

Electric Circuits
Absolute permittivity of dielectric medium is represented as

 εrε0
 εr/ε0
 ε0
 εr

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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 forward direction.
 5250 rpm in reverse direction.

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Electric Circuits
Two 1 kΩ, 1 W resistors are connected in series. Their combine resistance and wattage will be

 1 kΩ, 1 W.
 0.5 kΩ, 2 W.
 2 kΩ, 1 W.
 2 kΩ, 0.5 W.

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Electric Circuits
The electrical resistance of human body is around

  5 ohms.
  25 ohms.
  1000 ohms.
  250 ohms.

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Electric Circuits
Power dissipation in ideal inductor is

 A finite value
 Minimum
 Zero
 Maximum

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Electric Circuits
In a lead acid cell, hydrogen is liberated at

 both plates.
 positive plate.
 negative plate.
 none of the plates.

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MORE MCQ ON Electric Circuits

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