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Electric Circuits

Electric Circuits
Common impurity in battery electrolyte is

 sodium chloride.
 lead sulfate.
 dust.
 iron.

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Electric Circuits
A positive and a negative charged conductor are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be

 10 times greater than before.
 5 times smaller than before.
 25 times larger than before.
 5 times greater than before.

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Electric Circuits
If the measured value of a capacitor is 205.3µF and true value is 201.4µF the percentage relative error is

 39.00%
 25.64%
 1.94%
 1.89%

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Electric Circuits
In a series resonance circuit if bandwidth is 1 MHz and inductance is 1 mH, then what is the resistance value?

 100 Ω
 1 KΩ
 1 Ω
 1 MΩ

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Electric Circuits
A parallel plate capacitor has a capacitance of C farad. It area of the plates is doubled and the distance between them is half, the capacitance of the capacitor is

 C Farad.
 16C Farad.
 2C Farad.
 4C Farad.

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Electric Circuits
A paper capacitor is usually available in form of

 rolled foil.
 meshed plates.
 disc.
 tubes.

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MORE MCQ ON Electric Circuits

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