1.

The primary origin(s) of magnetism lies in

Answer»

atomic currents.
Pauli EXCLUSION principle.
polar NATURE of molecules.
intrinsic spin of electron.

Solution :The electron are REVOLVING and spinning about the NUCLEUS of an atom and is the origin of MAGNETISM and current from it is called atomic current. Hence option (A) is correct.
This atomic current gives rise to magnetism.
The revolving and spinning about nucleus of an atom is called intrinsic spin of electron. Hence option (D) is correct.


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