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Electric Circuits

Electric Circuits
Open circuit voltage of a fully charged lead acid cell is

 2 V.
 2.7 V.
 1.9 V.
 2.5 V.

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Electric Circuits
The charge of an electron is

 - 9.109 × 10 - 31 Coulombs.
 - 1.602 × 10 - 19 Coulombs.
 - 1.672 × 10 - 27 Coulombs.
 - 1.675 × 10 - 27 Coulombs.

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Electric Circuits
In the circuit shown in the figure the voltage across the 2 Ω resistor is

 3 V.
 2 V.
 1 V.
 4 V.

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Electric Circuits
If L and C both are doubled than damping in above circuit will be

None of these
 halved as compared to previous one.
 remains same.
 doubled as compared to previous one.

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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.
 4:1.
 1:1.
 1:8.

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Electric Circuits
Select the wave that has the least value of form factor.

 Triangular wave.
 Rectangular wave.
 Sine wave.
 Square wave.

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MORE MCQ ON Electric Circuits

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