A) \[\left( \frac{2\pi m}{q}\times {{10}^{-7}} \right)\]
B) \[\left( \frac{2\pi q}{q} \right)\times {{10}^{-7}}\]
C) \[\left( \frac{2\pi q}{nr} \right)\times {{10}^{-7}}\]
D) \[\left( \frac{2\pi nq}{r} \right)\times {{10}^{-7}}\]
Correct Answer: D
Solution :
We know that, \[=\frac{{{\mu }_{0}}}{4\pi }.\frac{nq(2\pi )}{r}\] \[=\left( \frac{2\pi nq}{r} \right)\times {{10}^{-7}}\]You need to login to perform this action.
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