Haryana PMT Haryana PMT Solved Paper-2003

  • question_answer
    Relative permeability of iron is 5500, Its magnetic susceptibility is :

    A)  5499                                     

    B)  \[5500\times {{10}^{7}}\]

    C)  \[5500\times {{10}^{-7}}\]          

    D)  5501

    Correct Answer: A

    Solution :

                    Here:  \[{{\mu }_{r}}=5500\] Now   using   relation   for   magnetic susceptibility                 \[{{\mu }_{r}}=1\times \chi \]  or \[\chi ={{\mu }_{r}}-1\]                 \[=5500-1=5499\]


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