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Electric Circuits

Electric Circuits
The electron is lighter than a proton by a factor of about

 18400.
 18.4.
 1840.
 184.

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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.

 9.59.
 6.98.
 - 6.28.
 - 9.59.

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

 current.
 voltage.
 inductance.
 resistance.

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Electric Circuits
Consider the following circuit : Switch is closed at t = 0 Find i(0 +)

 V / {R + (sL + 1 / Cs)}.
 0.
 V/R.
 (V*L) / (R*C)

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Electric Circuits
In direct arc furnace which of following is of high value?

 Current.
 Power factor.
 Voltage.
 All of above.

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Electric Circuits
In a capacitor the electric charge is stored in

 metal plates.
 both of (A) and (B).
 dielectric.
 none of above.

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MORE MCQ ON Electric Circuits

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