net is slowly rotated so 100 Joules of work are
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Transcribed Image Text:1. A cylindrical magnet is 20cm in length and has a uniform cross section of lcm?. The
magnetic charges at the ends of the magnet are ±10* Webers. The magnet pivots freely about
its center. The magnet is initially in equilibrium in a uniform magnetic field and is aligned with
the x-axis. The magnet is slowly rotated so that it is again aligned with the x-axis, but the ends
have been switched. 100 Joules of work are
H-
required to perform this rotation.
(a) What is the difference in magnetostatic potential
between the two ends of the magnet? (Be sure to get
the units right.)
(b) What is the average magnetic field in the vicinity of the magnet?
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