RAJASTHAN ­ PET Rajasthan PET Solved Paper-2005

  • question_answer
    Crod makes of soft iron in electromagnet, because its

    A)  diathesis and retantivity are maximum

    B)  diathesis is maximum and retantivity is minimum

    C)  diathesis and retantivity are minimum

    D)  retantivity is maximum and diathesis is minimum

    Correct Answer: B

    Solution :

     Soft iron has less retaintivity but more coerectivity.


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