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Electric Circuits

Electric Circuits
A paper capacitor is usually available in form of

 tubes.
 meshed plates.
 rolled foil.
 disc.

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Electric Circuits
A capacitor carries a charge of 0.3 C at 20 V. Its capacitance is

 0.015 F.
 15 μF.
 1.5 F.
 1.5 μF.

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Electric Circuits
One ampere hour charge is equivalent to

 36000 coulombs.
 3600 coulombs.
 360 coulombs.
 36 coulombs.

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Electric Circuits
Flux in a magnetic circuit can be compared in an electric circuit to

 resistance.
 inductance.
 voltage.
 current.

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Electric Circuits
A capacitor passes a current of 12.6 mA when supplied with 20 V ac with a frequency of 1000 Hz. The capacitance will be

 0.1 μF.
 0.01 μF.
 0.001 μF.
 1 μF.

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Electric Circuits
The resistivity of semi-conductors at room temperatures is

 109 to 1012 ohm - cm.
 1000 to 1500 ohm - cm.
 1.6 × 106 to 100 × 106 ohm - cm.
 0.01 to 50 ohm - cm.

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