A) \[2\pi \times {{10}^{-3}}T\]
B) \[2\pi \times {{10}^{-5}}T\]
C) \[2\pi \times {{10}^{-3}}G\]
D) \[2\pi \times {{10}^{-5}}G\]
Correct Answer: A
Solution :
(a) \[2\pi \times {{10}^{-3}}T\] Magnetic field, \[B={{\mu }_{0}}nl=4\pi \times {{10}^{-7}}\times 5\times 1000\] \[=2\pi \times {{10}^{-3}}T\] (\[\because \] n =10 turns/cm or n = 1000 turns/m)
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