IG Phy – Simple Phenomena of Magnetism(II)

Steel is a magnetically soft material.

Pure iron is an example of a magnetically soft material.

Permanent magnets are made of magnetically soft materials.

Magnetically hard materials stay magnetic once magnetized.

Temporary magnets are made from magnetically hard materials.

Magnetic field lines around a bar magnet go from the north pole to the south pole.

Magnetic field lines never cross each other.

A compass needle shows the direction of the magnetic field at any point around a magnet.

Copper is a magnetic material.

A permanent magnet loses its magnetism when the electric current is removed.