Magnetism

Magnetic induction is the fundamental character of a magnetic field at a point. It is a procedure by which a substance, like, iron or steel, becomes…

Magnetic field: Magnetic field is the space in which a magnetic pole experiences a force or it is the space around a magnet in which the…

The magnetic moment of a magnet is defined as the product of the pole strength and the distance between the two poles. The magnetic moment…

Basic properties of magnets: (i) When the magnet is dipped in iron filings, they cling to the ends of the magnet. The attraction is maximum…

The iron ore magnetite which attracts small pieces of iron, cobalt, nickel etc. is a natural magnet. The natural magnets have irregular shape and they…

A freely suspended magnetic needle at a point on Earth comes to rest approximately along the geographical north-south direction. This shows that the Earth behaves…

The exact cause of the Earth’s magnetism is not known even today. However. some important factors which may be the cause of Earth’s magnetism are:…

The word magnetism is derived from iron ore magnetite (Fe3O4), which was found on the island of magnesia in Greece. It is believed that the…