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Electric Circuits

Electric Circuits
For the circuit shown in the given figure the current I is given by

 3 A.
 4 A.
 2 A.
 1 A.

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Electric Circuits
Which of following is not a vector?

 Linear momentum.
 Angular momentum.
 Electric potential.
 Electric field.

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Electric Circuits
In direct arc furnace which of following is of high value?

 Power factor.
 Current.
 Voltage.
 All of above.

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Electric Circuits
A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be –

 F εr.
 0.
 F.
 εr/F.

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Electric Circuits
What is the relation between line voltage and phase voltage in case of delta connection?

 VL = √3 VP.
 None of these.
 VL = 1/ √3 VP.
 VL = VP.

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Electric Circuits
For same voltage, the ratio resistance of 100 W lamp to resistance of 25 W lamp is

 16.
 1.
 1/4.
 4.

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MORE MCQ ON Electric Circuits

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