Magnetism and Electromagnetism Part 4
When a bar magnet is broken up into many pieces,
every piece is no longer a magnet
every piece becomes a magnet
Fill in the boxes for the polarity of the bar magnet
N N N N
S S S S
N S N S
S N S N
In an unmagnetised bar, the magnetic domains point in different directions and
the magnetic effects of the atomic magnets strengthen one another
the magnetic effects of the atomic magnets cancel one another
Which shows a magnetised magnet?
Can a magnetically saturated magnet be magnetised further?
Why does magnets need to be stored with keepers?
So that is aesthetically pleasing to the eye
So that the poles of the magnets are enclosed with no free poles
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