A) 5501
B) \[5500\times {{10}^{-7}}\]
C) \[5500\times {{10}^{7}}\]
D) 5499
Correct Answer: D
Solution :
Relative permeability \[({{\mu }_{r}})\] is related to magnetic susceptibility \[({{\chi }_{m}})\] through relation \[{{\mu }_{r}}=1+{{\chi }_{m}}\] or \[{{\chi }_{m}}={{\mu }_{r}}-1\] \[\therefore \] \[{{\chi }_{m}}=5500-1=5499\,\,(\because \,{{\mu }_{r}}=5500)\]
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