Nine copper wires of length l and diameter d are connected in parallel to form a single

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Nine copper wires of length l and diameter d are connected in parallel to form a single composite conductor of resistance R. What must be the diameter D of a single copper wire of length l if it is to have the same resistance?

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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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Question Posted: Jan 20, 2011 04:47 AM

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Nine copper wires of length l and diameter d are connected in parallel to form a single

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Letr be the resistance of each of the narrow wires Since they are in parallel the resist...View the full answer

Fundamentals of Physics

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