Which of the following process/processes destroy/destroys the magnetic properties of a bar magnet?
A. Cutting into two pieces
B. Heating
C. Beating
D. Sealing
1
Only A
2
B and C
3
A, B and C
4
A and D
Which of the following process/processes destroy/destroys the magnetic properties of a bar magnet?
A. Cutting into two pieces
B. Heating
C. Beating
D. Sealing