Assertion: An atom of a magnetic material behaves as a dipole because of positive charge on the nucleus.
Reason: Charge is responsible for dipole moment.
A. both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
B. both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.
C. Assertion is true but the Reason is false.
D. both Assertion and Reason are false.