Exam 12: Magnetism

The 'direction' of magnetic flux lines is defined as

The term, 'Magnetic North', describes

When freely suspended, a magnet will come to rest aligned with the magnetic field linking

The fundamental law of magnetism states that 'like poles __________'

The magnetic poles of a magnet are named after

Hard' magnetic materials are used to make __________ magnets

The end of a compass needle which points to Magnetic North is a

Soft' magnetic materials are used to make __________ magnets

Soft' magnetic materials are _________ to magnetise, and __________ their magnetism once the external magnetising force is removed

The 'direction' of magnetic flux lines is defined in terms of the direction in which __________ when placed within the magnetic field

Hard' magnetic materials are __________ to magnetise, and __________ their magnetism once the external magnetising force is removed

Sprinkling iron filings over a sheet of card resting on a magnet will reveal

The intensity of a magnetic field is termed its __________, whose SI unit is the __________

Steel is generally considered to be a '__________' magnetic material, and can be used to make __________ magnets

The poles of an unmarked magnet can be identified using a compass, which will always point to the magnet's

The magnetic polarity of Magnetic North is a

The area surrounding a magnet in which its effects may be observed is termed

When a magnet is broken in two, the result is

When a magnet's 'domains' are all aligned, the magnet is said to be

Soft iron is generally considered to be a '__________' magnetic material, and can be used to make __________ magnets