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Electric Circuits

Electric Circuits
In a series R, L circuit, voltage across resistor and inductor are 3 V and 4 V respectively, then what is the applied voltage?

 4V
 7V
 3V
 5V

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Electric Circuits
A capacitor carries a charge of 0.1 C at 5 V. Its capacitance is

 0.02 F
 0.5 F
 0.2 F
 0.05 F

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Electric Circuits
The capacity of a lead acid cell does not depends on its

 quantity of active material.
 rate of charge.
 rate of discharge.
 temperature.

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Electric Circuits
In series RLC circuit what is the power factor just above the resonance frequency?

 Zero
 Leading
 Unity
 Lagging

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Electric Circuits
To reduce hysteresis loss, we use

 soft-iron.
 laminated sheets.
 CRGO steel.
 copper bars.

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Electric Circuits
Which of the following may be the value of resistivity of copper at absolute zero in ohm-metre?

 1.56.
 6.24.
 3.12.
 0.020.

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