A) Directly proportional to r
B) Inversely proportional to I
C) Directly proportional to I
D) Directly proportional to \[{{I}^{2}}\]
Correct Answer: C
Solution :
Field at the centre of a circular coil of radius \[r\]is \[B=\frac{{{\mu }_{o}}I}{2r}\]You need to login to perform this action.
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