Question

in the absence of applied potential the electric current flowing through a metallic wire is zero because​

Answer 1

Answer:

In the absence of applied potential, the electric current flowing through a metallic wire is zero because. The electrons are drifted in randon direction with a speed of the order of 10-2cms. The electrons move in random direction with a speed of the order close to that of velocity of light.

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Answer 2

Answer:

In the absence of applied potential, its electric current flowing through a metallic wire is zero because electrons are drifted in the random direction with a speed of the order of $10^{-2} \mathrm{~cm} / \mathrm{s}$.

Explanation:

• When a potential is applied, an electromagnetic field with the speed of light is created. When no potential is applied, random motion has no effect on the charge's motion in a particular direction.

• There will be no external influence on the electrons if no potential is applied across the conductor. As a consequence, the electron's net motion must be zero, resulting in no net current.

• In metals, electrons travel haphazardly in all directions. Each free electron acquires a drift velocity when an electric field is introduced.
• There is a net movement of charge, which is represented by current. This is impossible in the lack of an electric field, so there is no current.

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