What does a magnet do?

Magnets do the following things:

Mechanical to mechanical - such as attraction and repulsion. Attract certain materials - such as iron, nickel, cobalt, certain steels and other alloys;

Mechanical to electrical - such as generators and microphones. Exert an attractive or repulsive force on other magnets (opposite poles attract, like poles repel);

Electrical to mechanical - such as motors, loudspeakers, charged particle deflection. Have an effect on electrical conductors when the magnet and conductor are moving in relation to each other;

Mechanical to heat - such as eddy current and hysteresis torque devices. Have an effect on the path taken by electrically charged particles traveling in free space.

Special effects - such as magne to-resistance, Hall effect devices, and magnetic resonance. Based on these effects, magnets transform energy from one form to another, without any permanent loss of their own energy.

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