In a conductor which of the following relations hold good?

1.

In a conductor which of the following relations hold good?

[A].	∇ x D = r
[B].	∇ . D = r
[C].	∇ x D = 0
[D].	∇ . D = 0

Answer: Option C

Explanation:

Inside a conductor free charge is zero, hence, ∇ x D = 0.

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