Which one of the following principles best describes the basic operati

1.	Which one of the following principles best describes the basic operation of an electromagnet?
A.	Current is induced in a conductor that is moving through a magnetic field
B.	Like magnetic poles repel, while unlike poles attract
C.	Current flowing through a conductor generates a magnetic field
D.	Like magnetic poles attract, while unlike poles repel
E.	None of the above
Answer» D. Like magnetic poles attract, while unlike poles repel

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Which one of the following principles best describes the basic operation of an electromagnet?

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