MGIMS WARDHA MGIMS WARDHA Solved Paper-2009

  • question_answer
    Relative permeability of iron is 5500, then if magnetic susceptibility will be       

    A) \[5500\times {{10}^{7}}\]                            

    B)  \[5500\times {{10}^{-7}}\]

    C)  5501                                     

    D)  5499         

    Correct Answer: D

    Solution :

                     \[{{\chi }_{m}}=({{\mu }_{r}}-1)\] \[\Rightarrow \]               \[{{\chi }_{m}}=(5500-1)\]                 \[{{\chi }_{m}}=5499\]


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