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(A) Steel is the most suitable material for making a permanent magnet because it possesses high retentivity and high coercivity.High retentivity ensur

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Steel

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(A) Steel is the most suitable material for making a permanent magnet because it possesses high retentivity and high coercivity.High retentivity ensures that the material retains a strong magnetic field after the magnetizing field is removed.High coercivity ensures that the material is not easily demagnetized by external magnetic fields,vibrations,or temperature changes.In contrast,soft iron has high retentivity but low coercivity,making it ideal for electromagnets but not for permanent magnets.

Which of the following is the most suitable material for making a permanent magnet?

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