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What are permanent magnets ? Give …

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What are permanent magnets ? Give one example

    • Posted by Himanshu Arya 6 years, 11 months ago

    CBSE > Class 12 > Physics
    • 2 answers

    Kawalpreetsingh Sandhu 6 years, 11 months ago

    Magnets possess higher retentivity ( ability to keep magnetization) and coercivity ( magnet field intensity at which magnet lost magnetization) and retain the magnetic field for long period are called permanent magnets. Example : Alnico , steel etc..

    0Thank You

    Lucky Singh 6 years, 11 months ago

    Fe2O3

    0Thank You

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