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Electric Circuits

Electric Circuits
Container of a lead acid battery

 celluloid.
 any of above.
 molded hard rubber.
 ceramics.

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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?

 0.577.
 0.866.
 0.5.
 1.

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Electric Circuits
The energy stored by a capacitor is given by

 1/2 CV2.
 Q2 / 2C.
 all of them.
 1/2 QV.

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Electric Circuits
A 10 Ohm resistor has power rating of 1W. Find the maximum current rating.

 0.316 A.
 0.01 A.
 1 A.
 0.1 A.

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Electric Circuits
Which of following capacitors preferred for high frequency circuits?

 Electrolytic capacitor.
 Mica capacitor.
 Glass capacitor.
 Air capacitor.

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Electric Circuits
The maximum current rating for a 10 k Ω, 0.5 W resistor is

 0.707 mA.
 14.14 mA.
 7.07 mA.
 28.28 mA.

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MORE MCQ ON Electric Circuits

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