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Electric Circuits

Electric Circuits
When power factor angle is varying, the shape of the current locus is

 Semicircle
 Circle
 Triangle
 Straight line

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Electric Circuits
In an AC circuit, containing pure inductance, the voltage applied is 120 V, 50 Hz while the current is 10 A. Find the value of inductance.

 35 mH.
 30 mH.
 38 mH.
 34 mH.

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Electric Circuits
Which of the following is not a bilateral element?

 Diode.
 Resistor.
 Capacitor.
 Inductor.

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Electric Circuits
A circuit contains two unequal resistor in parallel

 voltage drops are according to their resistive value.
 voltage drops across both are same.
 currents in both are same.
 heat losses in both are same.

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Electric Circuits
A 2m long conductor, carries a current of 50 A at a magnetic field of 100 × 10 − 3 T. The force on the conductor is

 10000 N.
 100 N.
 1000 N.
 10 N.

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Electric Circuits
The current flowing between electrodes inside a lead acid battery is

 electron current.
 proton current.
 ionization current.
 polarization current.

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MORE MCQ ON Electric Circuits

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