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8) True or False: Electromagnetism can be used to create powerful magnets using electricity.
TRUE
FALSE
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TRUE
Electric current through a coil produces a magnetic field (electromagnetism), and with many turns and a ferromagnetic core you can make very powerful electromagnets.
Electric current through a coil produces a magnetic field (electromagnetism), and with many turns and a ferromagnetic core you can make very powerful electromagnets.
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