Permanent magnets are made of high carbon steel and-A-15% of cobaltB-20% of cobaltC-35% of cobaltD-45% of cobalt.

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Permanent magnets are made of high carbon steel and-A-15% of cobaltB-20% of cobaltC-35% of cobaltD-45% of cobalt. <-D-45% of cobalt. <

APTITUDE CRACK · Accepted Answer

D 45% of cobalt. < Permanent magnets are materials where the magnetic field is generated by the internal structure of the material itself. Inside atoms and crystals you have both electrons and the nucleus of the atom.

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Permanent magnets are made of high carbon steel and

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Permanent magnets are made of high carbon steel and

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