Show that the work done in rotating a single-turn current loop of area carrying…

PHYSICS · Subjective · CBSE · Physics · Moving Charges and Magnetism · Moving Charges and Magnetism

Problem

Show that the work done in rotating a single-turn current loop of area

A

carrying current

I

through an angle of

180^{\circ}

in a uniform magnetic field of magnitude

B

2 I B A