Physics, 15.07.2019 00:00, nyctvinny8290

Which statement is true of magnets? a. elecromagnets are generally weaker than permanent magnets. b. earth is an electromagnet. c. a magnet always has a north pol, and may or may not also have a south pole. d. permanent magnets can be turned off.

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Which statement is true of magnets? a. elecromagnets are generally weaker than permanent magnets. b...