A) Directly proportional to r
B) Inversely proportional r
C) Directly proportional to r2
D) Inversely proportional to r2
Correct Answer: B
Solution :
\[B=\frac{{{\mu }_{0}}}{4\pi }.\frac{2\pi i}{r}\Rightarrow B\propto \frac{1}{r}\]You need to login to perform this action.
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