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Electric Circuits

Electric Circuits
A current of 1 mA flows through a 1M ohm, 2 W carbon resistor. The power dissipated as heat in the resistor will be

 2 W.
 1 W.
None of these
 0.5 W.

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Electric Circuits
Which of the followings is the expression for energy stored in a capacitor?

 C / v.
 (1 / 2) Cv2.
 C dv / dt.
 Cv.

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Electric Circuits
Which part of magnetic path requires largest mmf?

 Core.
 Air gap.
 Inductance.
 Coil.

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Electric Circuits
A 60 Hz frequency voltage would cause a bulb to turn on and off

 120 times per second.
 70 times per second.
 60 times per second.
 80 times per second.

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Electric Circuits
The thevnin equivalent of the circuit shown in the figure is

 1.5V, 5/6 Ohm
 0.75V, 5/6 Ohm
 1.5V, 1.5 Ohm
 0.75 V, 1.5 Ohm

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Electric Circuits
What is the frequency of domestic power in India?

 50 Hz.
 70 Hz.
 60 Hz.
 220 Hz.

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MORE MCQ ON Electric Circuits

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