Physics, 14.07.2019 06:50, victoriazh2005

How does an electric motor use magnetic force to produce motion? a. the north pole of a permanent magnet placed in the center of an electromagnet attracts the north pole of the electromagnet. b. the north pole of an electromagnet placed in the center of a permanent magnet attracts the north pole of the permanent magnet. c. the north pole of a permanent magnet placed in the center of an electromagnet repels the north pole of the electromagnet. d. the north pole of an electromagnet placed in the center of a permanent magnet repels the north pole of the permanent magnet.

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How does an electric motor use magnetic force to produce motion? a. the north pole of a permanent...