Rotating a Bar Magnet

1. Jan 16, 2007

nuts2546

Ive always wondered what happens to the magnetic field of a bar magnet if it is spun at a high velocity around an axis between the poles. Can someone explain.

2. Jan 16, 2007

Meir Achuz

The rotating B field will lead to an E field. At high enough spin rate, this will produce magnetic dipole radiation.