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Select the correct statement(s)

A

A current carrying conductor is electrically neutral.

B

In a current carrying conductor, it is possible, all the free electrons can have same drft velocity.

C

In a current carrying conductor, the speed of the all the free electrons need not be same.

D

The electric field at any point inside the current carring conductor is non-zero, The electic field just outside the current carrying conductor is non-zero.

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based on drift velocity
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