If a wire of resistance R is stretched uniformly so that its length doubles, by what factor

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If a wire of resistance R is stretched uniformly so that its length doubles, by what factor does the power dissipated in the wire change, assuming it remains hooked up to the same voltage source?

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Physics for Scientists and Engineers A Strategic Approach with Modern Physics

ISBN: 978-0133942651

4th edition

Authors: Randall D. Knight

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Question Posted: Jun 05, 2010 12:08 AM

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If a wire of resistance R is stretched uniformly so that its length doubles, by what factor

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The volume of wire Volume length x crosssectional area remains constan...View the full answer

Physics for Scientists and Engineers A Strategic Approach with Modern Physics

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