A) \[{{B}_{1}}>{{B}_{2}}\ne 0\]
B) \[{{B}_{2}}>{{B}_{3}}\ne 0\]
C) \[{{B}_{1}}>{{B}_{2}}={{B}_{3}}=0\]
D) \[{{B}_{3}}>{{B}_{4}}_{3}\ne 0\]
Correct Answer: D
Solution :
Magnetic field outside the long rod \[\because \] \[B=\frac{{{\mu }_{0}}i}{2\pi r}\] \[\therefore \] \[{{B}_{3}}>{{B}_{4}}\ne 0\]You need to login to perform this action.
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