A) \[3.14\times {{10}^{-4}}T\]
B) \[6.28\times {{10}^{-4}}T\]
C) \[1.57\times {{10}^{-4}}T\]
D) \[9.42\times {{10}^{-4}}T\]
Correct Answer: A
Solution :
(a) \[3.14\times {{10}^{-4}}T\] Here, \[l=2.5\,A,l=50\,cm=0.50\,m\] and \[n=\frac{100}{0.50}=200\,{{m}^{-1}}\] \[\therefore \,\,\,\,B=\frac{{{\mu }_{0}}nl}{2}=\frac{4\pi \times {{10}^{-7}}\times 200\times 2.5}{2}=3.14\times {{10}^{-4}}T\]
You need to login to perform this action.
You will be redirected in
3 sec
