List the conditions under which wire radiates.

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3. List the conditions under which wire radiates.

(i)If charge is moving with a uniform velocity( current created):

a. There is no radiation if the wire is straight, and infinite in extent.

b. There is radiation if the wire is curved, bent, discontinuous, terminated, or

truncated.

(ii) If charge is oscillating in a time-motion, it radiates even if the wire is straight.

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