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Electric Circuits

Electric Circuits
The laplace transform of the fuction f(t) = t is

 1/s.
 1/s2.
 s.
 s2.

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

 15 μF.
 1.5 F.
 0.015 F.
 1.5 μF.

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Electric Circuits
To obtain a high value of capacitance, the permittivity of dielectric medium should be

 high
 zero
 unity
 low

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Electric Circuits
The terminals across the source are ___________ if a voltage source is to be neglected.

 replaced by a shunt resistance.
 open circuited.
 short circuited.
 replaced by a series resistance.

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Electric Circuits
When the battery is being charged, the terminal voltage decreases with

 increasing state of charge.
 increasing temperature.
 increasing charging rate.
 none of these.

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Electric Circuits
What is the value of charge of an electron?

 1.6022 × 10-7 Coulomb
 1.6022 × 10-27 Coulomb
 1.6022 × 10-8 Coulomb
 1.6022 × 10-19 Coulomb

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