Question

which events cause ferromagnetic materials to magnetize and which events cause them to demagnetize. sort events into the correct category.

ANSWERS BELOW!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Magnetize;
1) place in magnetic field
2) pass electricity through
3) rub on permanent magnet

Demagnetize;
1) heat
2)strike
3)place in opposite polarity

Answer 1

Magnetize;

2 3 1

Demagnetize;

3 1 2

Answer 2

magnetize :

place in magnetic field,

rub on permanent magnet,

pass electricity through

demagnetize :

place on opposite polarity,

strike,

heat