Assertion: We cannot think of magnetic field configuration with three poles.
Reason: A bar magnet does exert a torque on itself due to its own field.

Options

A. If both the assertion and reason are true and reason is correct explanation of the assertion .
B. If both the assertion and reason are true but reason is not a correct explanation of the assertion .
C. If the assertion is true but the reason is false.
D. If both assertion and reason are false.

Answer

D

Explanation

Magnetic poles always exist in pairs. However , one can imagine magnetic field configuration with three poles. When north poles of two magnets are south poles of two magnets are glued together , they provide a three pole field configuration . Also a bar magnet does not exert a torque on itself due to its own field.