JEE Main & Advanced Physics Magnetism Question Bank Magnetic Materials

  • question_answer
    The material of permanent magnet has [KCET 1994, 2003; AFMC 2004]

    A)            High retentivity, low coercivity

    B)            Low retentivity, high coercivity

    C)            Low retentivity, low coercivity

    D)            High retentivity, high coercivity

    Correct Answer: D

    Solution :

               From the characteristic of B-H curve.   


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