The current in an ac power line changes direction 120 times per second, and its average value

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The current in an ac power line changes direction 120 times per second, and its average value is zero. Explain how it is possible for power to be transmitted in such a system.

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University Physics with Modern Physics

ISBN: 978-0133977981

14th edition

Authors: Hugh D. Young, Roger A. Freedman

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Question Posted: Oct 30, 2018 02:05 PM

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The current in an ac power line changes direction 120 times per second, and its average value

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The polarity of the source voltages reverses when the c...View the full answer

University Physics with Modern Physics

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