A) \[\frac{{{\mu }_{0}}{{I}^{2}}}{r}\]
B) \[\frac{{{\mu }_{0}}{{I}^{2}}}{2\pi r}\]
C) \[\frac{{{\mu }_{0}}I}{2\pi r}\]
D) \[\frac{{{\mu }_{0}}^{2}I}{2\pi {{r}^{2}}}\]
Correct Answer: B
Solution :
Force per unit length \[F=\frac{{{\mu }_{0}}}{2\pi }\frac{{{I}^{2}}}{r}\]You need to login to perform this action.
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