A) \[2\times {{10}^{-8}}\]
B) \[3\times {{10}^{-7}}\]
C) \[6\times {{10}^{-8}}\]
D) \[5\times {{10}^{-7}}\]
Correct Answer: A
Solution :
As we know that, d\[\frac{E}{B}=c\] So, \[B=\frac{E}{c}=\frac{6}{3\times {{10}^{8}}}\,=2\times {{10}^{-8}}\]You need to login to perform this action.
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