Question

Is there any electric field inside a conductor carrying an electric current? Explain motion of charges here?
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Answer 1

Explanation:

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When a p.d. is applied across a conductor by connecting it to a battery and electric held E is established inside. a conductor (parallel to the conductor, directed form the positive toward the negative terminal).

The field exist here because the battery keeps the charges moving and prevents them coming to equilibrium on the outer surface of the conductor (in contrast to the situation in electrostatic), where they would cause the net electric field onthe interior to be zero.

Answer 2

Explanation:

Current carrying cinductor of length "l" and cross sectional area "A" having resistance "R" with potential. difference accross it of Δv

R = P I/A

I = j × A

Δv = E × l

E × I = j × A

P 1/A = j p l

E = j P

note: here P is row

Electric field inside a current carrying conductor is zero as the charges inside it distributes themselves on the surface of the conductor.