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In the absence of applied potential, the...

In the absence of applied potential, the electric current flowing through a metallic wire is zero because

A

The average velocity of electron is zero

B

The electrons are drifted in randon direction with a speed of the order of `10^(-2)(cm)/(s)`.

C

The electrons move in random direction with a speed of the order close to that of velocity of light.

D

Electrons and ions move in opposite direction.

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The correct Answer is:
A
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