Materials suitable for permanent magnets shou | vedclass

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(D) For a material to be suitable for a permanent magnet,it must retain its magnetism even after the external magnetic field is removed. $1$. High Ret

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high retentivity and high coercivity

Vedclass · Answer

(D) For a material to be suitable for a permanent magnet,it must retain its magnetism even after the external magnetic field is removed. $1$. High Retentivity: This ensures that the material remains strongly magnetized after the removal of the magnetizing field. $2$. High Coercivity: This ensures that the magnetization is not easily destroyed by stray magnetic fields,temperature fluctuations,or minor mechanical impacts. Therefore,materials for permanent magnets must have both high retentivity and high coercivity.

Materials suitable for permanent magnets should have

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