Question

what are the units of magnetic dipole moment?
a
a/m
a/m²
a·m
a·m²
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Explanation:

The magnetic dipole moment is defined in terms of current - area product. In SI units, current is in amperes (A) and area is in square - meters ($m^{2}$). So the unit of magnetic dipole moment is ampere - square meter ($A\cdot m^{2}$).

Answer:

A. $A\cdot m^{2}$