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Electric Circuits

Electric Circuits
Ampere second is the unit of

 charge.
 conductance.
 power.
 energy.

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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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Electric Circuits
A 3 – φ delta connected symmetrical load consumes P Watts of power from a balanced supply. If the same load is connected in star to the same supply then what is the power consumption?

 √3P.
 3P.
 P.
 P/3.

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Electric Circuits
If c1 = 8 μF, c2 = 4 μF, c3 = 7 μF c1, c2 are in series with c3 in parallel; effective capacitance will be

 6 μF.
 3 μF.
 9.67 μF.
 2.21 μF.

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Electric Circuits
A wire 2.5 m long is bent into a square. An current of 100 A flowing through the wire will produce a magnetizing force at the center of the square, equal to

 72 AT / m.
 196 AT / m.
 144 AT / m.
 222 AT / m.

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Electric Circuits
Total power consumed in the circuit below is 10 W. Find X.

 3 A.
 None of these.
  2 A.
 1 A.

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MORE MCQ ON Electric Circuits

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