1. Why are the primary and secondary coils of a transformer wrapped on an iron core that...

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1. Why are the primary and secondary coils of a transformer wrapped on an iron core that passes through both coils?
2. Why should an infrared photograph of a person look different from a photograph taken using visible light?

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College Physics

ISBN: 978-0495113690

7th Edition

Authors: Raymond A. Serway, Jerry S. Faughn, Chris Vuille, Charles A. Bennett

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