The electric motor in a toy train requires a voltage of 4.5 V. Find the ratio of

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The electric motor in a toy train requires a voltage of 4.5 V. Find the ratio of turns on the primary coil to turns on the secondary coil in a transformer that will step the 120-V household voltage down to 4.5 V.

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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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Question Posted: Aug 31, 2017 12:10 PM

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The electric motor in a toy train requires a voltage of 4.5 V. Find the ratio of

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