Question

The way(s) by which we can demagnetize a magnet is/are

• A. by hammering it.
• B. by burning it.
• C. by bringing it close to another magnet.
• D. by digging it inside earth's surface.

Answer 1

Answer: (A), (B)

The correct options are
A

by hammering it.

B

by burning it.

Permanent magnets can lose their magnetism if they are dropped or hammered. If heated above a point a magnet will lose its magnetism.