An electromagnet a. uses an electric current to produce a magnetic field b. uses a magnetic field

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An electromagnet
a. uses an electric current to produce a magnetic field
b. uses a magnetic field to produce an electric current
c. is a magnet that has an electric charge
d. operates only on alternating current

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The Physical Universe

ISBN: 978-0077862619

16th edition

Authors: Konrad B Krauskopf, Arthur Beiser

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