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keeper |
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keeper Physics a soft iron or steel bar placed across the poles of a permanent magnet to close the magnetic circuit when it is not in use keeper [′kēp·ər] (electromagnetism) A bar of iron or steel placed across the poles of a permanent magnet to complete the magnetic circuit when the magnet is not in use, to avoid the self-demagnetizing effect of leakage lines. Also known as magnet keeper. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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