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CBSE Class 10 Answered

what are permanent magnets ?
Asked by rusuishika | 24 Aug, 2020, 08:05: PM
answered-by-expert Expert Answer
Magnets which possess higher retentivity and coercivity and retain the magnetic field for longer period are called permanent magnets. Example. Alnico, Nipermag, Steel.
Answered by Utkarsh Lokhande | 24 Aug, 2020, 08:33: PM
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