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Electric Circuits

Electric Circuits
Which field is associated with the capacitor?

 Electric.
 None of above.
 Both of (A) and (B).
 Magnetic.

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Electric Circuits
The voltage across R and L in a series RL circuit are found to be 200 V and 150 V respectively the rms value of the voltage across the series combination is ______ V.

 450
 360
 250
 200

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Electric Circuits
In RLC parallel circuit if current through capacitor and inductor is equal. Then What is the power factor?

 leading
 unity
 zero
 lagging

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Electric Circuits
Third pin of a 3 pin plug is thicker and longer

 for designing purpose.
 none of these.
 all pins are of same size.
 for protection purpose.

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Electric Circuits
In series R, L circuit power factor can be defined as

 Vr/V
All of these
 R/Z
 P/S

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Electric Circuits
In a capacitive circuit, the capacitive reactance is

 directly proportional to the square of frequency
 directly proportional to frequency
 indirectly proportional to the square of frequency
 indirectly proportional to frequency

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