A group of N identical batteries of emf and internal resistance r may be connected all

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A group of N identical batteries of emf ξ and internal resistance r may be connected all in series (Figure a) or all in parallel (Figure b) and then across a resistor R. Show that both arrangements give the same current in R if R = r.

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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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