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Electronic Principles - Section 2 :: Discussion
| 21. | 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 | |
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