(a) At room temperature what is the strength of the electric field in a 12-gauge copper wire...

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(a) At room temperature what is the strength of the electric field in a 12-gauge copper wire (diameter 2.05 mm) that is needed to cause a 2.75-A current to flow?
(b) What field would be needed if the wire were made of silver instead?
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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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