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Electric Circuits

Electric Circuits
The form factor of sinusoidal alternating current is

 1.
 1.15.
 1.11.
 0.

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Electric Circuits
Two wires of A and B of the same material and length ‘l’ and ‘2l’ have radius ‘r’ and ‘2r’ respectively. The ratio of their specific resistance will be

 1:2.
 1:8.
 4:1.
 1:1.

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Electric Circuits
For the circuit shown below the value of R is adjusted so as to make the current in RL equal to zero. Calculate the value of R.

 4 Ω.
 2 Ω.
 1 Ω.
 3 Ω.

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Electric Circuits
Two point charges of 4μC are placed at a distance of 3 cm apart from each other in free space. Force acting on two charges will be

 0.02 N
 100 N
 160 N
 400 N

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Electric Circuits
What is Va in the below circuit?

 (4R + 10) / 3.
 (3R + 10) / 3.
 (6R + 10) / 3.
 (6R - 10) / 3.

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Electric Circuits
The term trickle charge is associated with

 dry cell.
 lead acid battery.
 nickel iron battery.
 silver zinc battery.

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MORE MCQ ON Electric Circuits

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