A) \[6\times {{10}^{-6}}T\]
B) \[2\times {{10}^{-8}}T\]
C) \[8\times {{10}^{-8}}T\]
D) \[12\times {{10}^{-6}}T\]
Correct Answer: C
Solution :
[c] \[\frac{E}{B}=C\Rightarrow B=\frac{E}{C}=\frac{24}{3\times {{10}^{8}}}=8\times {{10}^{-8}}T\]
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