Magnetism Flashcards
1
Q
State the Law of Magnetism
A
Like poles repel; unlike poles attract.
2
Q
Explain what is magnetic induction
A
It’s a process whereby magnetic materials become a temporary magnet when placed in a magnetic field.
Note: Induction occurs before attraction
3
Q
Explain what a magnetic field is
A
It’s a region where magnetic objects experiences a magnetic force.
4
Q
Difference between steel and iron
A
Steel is a hard magnetic material which is difficult to magnetise and retains magnetism well; iron is soft magnetic material which is easily magnetised and demagnetised.