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Electric Circuits

Electric Circuits
Which of the following may be value of resistivity of copper?

 1.7 X 10 - 6.
 1.7 X 10 - 4.
 1.7 X 10 - 5.
 1.7 X 10 - 3.

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Electric Circuits
An electric field can deflect

 neutrons.
 x-rays.
 gamma-rays.
 alpha particles.

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

 3.12.
 0.020.
 1.56.
 6.24.

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Electric Circuits
Rms value is defined based on which of the following?

 Voltage
 Charge transfer
 Current
 Heating effect

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Electric Circuits
The phase angle difference between current and voltage is 90o, the power will be

 zero.
 minimum.
 maximum.
 VI.

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

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

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