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Electric Circuits

Electric Circuits
Atoms with fewer than 4 valence electrons are

 conductor.
 semi-conductor.
 insulator.
 none of these.

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Electric Circuits
Internal heating of a capacitor is usually attributed to

 leakage resistance.
 plate vibration.
 dielectric charge.
 electron movement.

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Electric Circuits
Fall time is the time required for a pulse to decrease from 90 to ________% if its maximum values

 5
 20
 10
 15

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Electric Circuits
The strength of current in 1 H inductor changes at rate of 1 A / sec. Find the voltage across it?

 None of these.
 0.5 V.
 1 V.
 2 V.

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Electric Circuits
In above question, determine the current if E = 100 V, R = 20Ω, R1 = 10 Ω and L = 2 H at 0.5 sec after short circuit.

 6.98.
 9.59.
 - 6.28.
 - 9.59.

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Electric Circuits
Two battery having unequal emf

 both a and d
 can be connected in series only.
 cannot be connected in parallel.
 cannot be connected in series.

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MORE MCQ ON Electric Circuits

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