A) \[2\pi \times {{10}^{-3}}\,tesla\]
B) \[2\pi \times {{10}^{-5}}\,Tesla\]
C) \[4\pi \times {{10}^{-2}}\,Gauss\]
D) \[2\pi \times {{10}^{-5}}\,gauss\]
Correct Answer: A
Solution :
\[B={{\mu }_{o}}ni=4\pi \times {{10}^{-7}}\times 5\times 1000=2\pi \times {{10}^{-3}}\] Tesla
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