A battery of emf and internal resistance r is hooked up to a variable load resistance,

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A battery of emf ξ and internal resistance r is hooked up to a variable "load" resistance, R. If you want to deliver the maximum possible power to the load, what resistance R should you choose? (You can't change ξ and r, of course.)

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Introduction to Electrodynamics

ISBN: 978-8120316010

3rd Edition

Authors: David J. Griffiths

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Question Posted: Nov 27, 2010 07:07 AM

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A battery of emf and internal resistance r is hooked up to a variable load resistance,

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