Which of the following statements is incorrect ?

Options

A. To increase the magnetic strength, increase the number of strokes while creating magnets.
B. To increase the magnetic strength, increase the number of coils around the nail.
C. Magnetic force is a pulling force only.
D. Magnet may lose its magnetic property when heated to a very high temperature.

Answer

C

Explanation

Magnetic forces are non-contact forces, they pull or push on object without touching them.