Explain what it means when we say a substance is magnetic

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asked Dec 9, 2017 134k views

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Pietrek · Answer 1 · 2017-12-16T07:57:19+0000

A magnetic field is a force field, invisibly pushing electrically charged objects just as a gravitational field pulls objects with mass. Whereas all objects with mass exert a gravitational field, however, not all objects have a magnetic field. Magnetic fields are created by electrical charges. Thanks to their structure at the atomic level, some substances -- like the iron in magnets -- have a permanent magnetic field.

Explain what it means when we say a substance is magnetic

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