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Electric Circuits

Electric Circuits
An equipotential surface is one which has all points at _____________ potential.

 none of them.
 different.
 zero.
 same.

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Electric Circuits
The arrangement of 12 cells each of internal resistance 1.5 Ohm to give maximum current in external load resistance of 2 Ohm will be

 all 12 in series.
 in 4 parallel rows each row having 3 cells in series.
 in 3 parallel rows each row having 4 cells in series.
 all 12 in parallel.

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Electric Circuits
The form factor of sinusoidal alternating current is

 1.15.
 0.
 1.11.
 1.

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Electric Circuits
Sulphation in a lead acid battery occurs due to

 fast charging.
 trickle charging.
 heavy charging.
 incomplete charging.

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Electric Circuits
The maximum value of a current wave is 2A. If the form factor of a current wave is 1.5 and the peak factor is 2.7, find the rms value in Amperes.

 1.414 A.
 1.57 A.
 0.741 A.
 0.494 A.

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Electric Circuits
The mass of a neutron of atom is

 1.672 × 10 - 26 Kg.
 1.609 × 10 - 31 Kg.
 1.602 × 10 - 19 Kg.
 1.675 × 10 - 27 Kg.

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