A) B= \[{{\mu }_{0}}\] (H + I)
B) H=\[{{\mu }_{0}}\] (B + I)
C) I = \[{{\mu }_{0}}\] (B + H)
D) (B - I) = \[{{\mu }_{0}}\]H
Correct Answer: A
Solution :
Relation between magnetic field permeability, H and \[I.\] The magnetic induction in the material is \[B=\mu H\] ?(i) Also, \[B={{B}_{0}}+{{B}_{m}}\] Where\[{{B}_{0}}=\]magnetic induction in vacuum produced by magnetic field \[{{B}_{m}}=\]magnetic induction due to magnetisation of material But, \[{{B}_{0}}={{\mu }_{0}}H\]and \[{{B}_{m}}={{\mu }_{0}}I\] So, \[B={{\mu }_{0}}H+{{\mu }_{0}}I={{\mu }_{0}}(H+I)\]
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