The Maximum Energy Difference Between the Parallel and Antiparallel Configurations $\mu$

Multiple Choice

The maximum energy difference between the parallel and antiparallel configurations produced by a magnetic moment whose magnitude is $\mu$ = 2.0 A·m² in a magnetic field given by 1.5 mT is

A) zero.
B) 1.5 mJ.
C) 3.0 mJ.
D) 6.0 mJ.