Megnetisam

When an unmagnetized magnetic material (like

When an unmagnetized magnetic material (like soft iron) is placed near or in contact with a magnet, it temporarily becomes magnetic. This temporary ma

Earth behaves like a giant bar

Earth behaves like a giant bar magnet with its magnetic south pole near the geographic north pole and magnetic north pole near the geographic south po

Invisible lines that represent the magnetic

Invisible lines that represent the magnetic field around a magnet. These continuous curves show the direction and strength of magnetic field at any po

Points where the magnetic field

Points where the magnetic field of a magnet exactly cancels the Earth's magnetic field, resulting in zero net magnetic field. The location of neutral

Temporary magnets created by passing electric

Temporary magnets created by passing electric current through a coil wound around a soft iron core. Unlike permanent magnets, electromagnets can be sw