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Electric Circuits

Electric Circuits
The electrical conductivity of metal is typically of the order of (in ohm - m)

 105.
 107.
 10 - 4.
 10 - 6.

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Electric Circuits
A capacitor in a circuit became hot and ultimately exploded due to wrong connection, which type of capacitor it could be?

 Ceramic capacitor.
 Electrolytic capacitor.
 Paper capacitor.
 Any of above.

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Electric Circuits
In a lead acid cell, hydrogen is liberated at

 both plates.
 negative plate.
 none of the plates.
 positive plate.

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Electric Circuits
The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor?

 0.866.
 0.577.
 1.
 0.5.

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Electric Circuits
In RLC series circuit, at resonance condition the value of current is

None of these
 Maximum
 Zero
 Minimum

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Electric Circuits
In parallel RLC circuit under resonance condition the value of current is

 Maximum
None of these
 Zero
 Minimum

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MORE MCQ ON Electric Circuits

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