What is magnetism? How can you classify the things on the basis of this property? wany material that is used to more?
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An iron pipe is 42 cm long and its exterior radius is 4 cm. If the thickness of the pipe is I am and iron weighs 100 gram per cm", find the weight of the pipe.
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Magnetism may be classified according to its cause and behavior. ... When electrons pairs are present, their "spin" magnetic moments cancel each other out. In a magnetic field, diamagnetic materials are weakly magnetized in the opposite direction of the applied field.
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