15)write the difference between para, dia, and ferro magnetic material
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1
Answer:
Explanation:
Diamagnetism refers to materials that are not affected by a magnetic field. Paramagnetism refers to materials like aluminum or platinum which become magnetized in a magnetic field but their magnetism disappears when the field is removed. Ferromagnetism refers to materials (such as iron and nickel) that can retain their magnetic properties when the magnetic field is removed.
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2
Answer:
dimagnetic
Explanation:
sub. weakly repelled by a magnet are called diamagnetic
paramagnetic:sub. weakly attracted by magnet are paramagnetic
ferromagnetic:sub. stongly atracted by magnet are ferromagnetic
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