The current is zero in a conductor when no potential difference is applied because: A) the electrons are not moving B) the electrons are not moving fast enough C) for every electron with a given velocity there is another with a velocity of equal magnitude and opposite direction D) equal numbers of electrons and protons are moving together E) otherwise Ohm's law would not be valid

Each electron has an equal and opposite speed to that of another electron. Therefore, there will be no net flow of charges in one direction and the current is zero. By applying a potential difference, the net flow of electrons has a predominant direction towards the positive end of the electric field.

ahsan57900 ahsan57900 · Answer 2 · 2022-03-03T11:57:27+01:00

The current is zero in a conductor when no potential difference is applied because every electron with a given velocity with another electron with a velocity of equal magnitude and opposite direction.

Why current is zero in a conductor with no potential difference?

Each electron has an equal and opposite speed to that of another electron. Therefore, there will be no net flow of charges in one direction and the current is zero. By applying a potential difference, the net flow of electrons move in the direction towards the positive end of the electric field so we can conclude that option C is the correct answer.

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