Rotate Bar Magnet: Magnetic Field Effects

Thread starter nuts2546
Start date Jan 16, 2007
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Magnet Rotating

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Spinning a bar magnet at high velocity around an axis between its poles generates a rotating magnetic field, which induces an electric field. This phenomenon occurs due to the principles of electromagnetism, where a changing magnetic field creates an electric field. If the spin rate is sufficiently high, it can lead to the emission of magnetic dipole radiation. The interaction between the rotating magnetic field and the induced electric field is a key aspect of this process. Understanding these effects is crucial in applications involving electromagnetic fields and radiation.

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.

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Jan 16, 2007

Meir Achuz

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

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