Question

A large number of free electrons are present in metals. Why is there no current in

the absence of electric field across it?​

Answer 1

In the absence of an electric field , the motion of the electrons in a metal is random. There is no net flow of charge across any section of the conductor. So no current flows in the metal.

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Answer 2

There no current in  the absence of electric field across it because all electrons are randomly oriented.

Explanation:

• Because all electrons are randomly oriented in the absence of an electrical field.
• The net result is that there is no normal flow of electrons to give rise to a current in a certain direction.
• When the electrical field is applied, all electrons are drifted towards the positive terminal and there is a net current.
• The electrons are present in each element. A large number of free electrons are available in metals and can be easily transferred to the conductor.

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