What is meant by residual magnetism?


What is meant by residual magnetism?

Making New Magnets

There are essentially two ways of making magnets. The first method involves running current through a wire wrapped around a magnetic substance (such as a steel nail). The second method involves exposing a heated magnetic substance to a strong magnetic field and then cooling it.

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Magnetism Lesson for Kids: Definition & Facts


Chapter 6 / Lesson 33

Magnetism is a physical property of matter and is also one of the basic forces of the universe. This lesson explores magnetism and magnets as well as the power of Earth's magnetic field.

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