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A bar magnet with a magnetic moment 5.0 Am 2 is placed in parallel position relative to a magnetic field of 0.4 T. The a…

Q1

A bar magnet with a magnetic moment 5.0 Am2 is placed in parallel position relative to a magnetic field of 0.4 T. The amount of work done required in turning the magnet from parallel to antiparallel position relative to the field direction is _______.

a

4 J

b

2 J

c

1 J

d

zero

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