A wire has a resistance of 21.0. It is melted down, and from the same volume of

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A wire has a resistance of 21.0Ω. It is melted down, and from the same volume of metal a new wire is made that is three times longer than the original wire. What is the resistance of the new wire?

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Physics

ISBN: 978-0470879528

9th edition

Authors: John D. Cutnell, Kenneth W. Johnson

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Question Posted: Feb 06, 2013 04:33 AM

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A wire has a resistance of 21.0. It is melted down, and from the same volume of

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Physics

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