Question

When there is an electric current through a conducting wire along its length, then an electric field must exist
(a) outside the wire but normal to it.
(b) outside the wire but parallel to it.
(c) inside the wire but parallel to it.
(d) inside the wire but normal to it.

Answer 1

Answer: B

Explanation:When there is an electric current through a conducting wire along its length, then an electric field must exist outside the wire but parallel to it.

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