Question

A bar magnet is heated strongly. Its magnetic strength.

• A. is likely to remain same
• B. is likely to increase
• C. is likely to decrease
• D. none of the above

Answer 1

The correct option is C

is likely to decrease

Explanation of correct option:

( C ) Magnetic property of a magnet can be lost if it is heated strongly.

By heating the magnet continuously its magnetism will decrease.

Explanation of incorrect option:

(A) Magnetic property will remain same only when kept properly and not hammering or heating it.

(B) Magnetic property will increase if magnet are taken care of properly.

(D) None of the above.

So, the correct option is (B ).