Four 1.5-V cells are connected in series to a 12- lightbulb. If the resulting current is 0.45

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Four 1.5-V cells are connected in series to a 12-Ω lightbulb. If the resulting current is 0.45 A, what is the internal resistance of each cell, assuming they are identical and neglecting the wire?

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Conceptual Physics

ISBN: 978-0321568090

11th edition

Authors: Paul G. Hewitt

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Question Posted: Jun 05, 2010 12:58 AM

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Four 1.5-V cells are connected in series to a 12- lightbulb. If the resulting current is 0.45

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See the circuit diagram below The current in the circuit ...View the full answer

Conceptual Physics

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