A) 0.10 m
B) 0.16 m
C) 0.20 m
D) 0.25 m
Correct Answer: A
Solution :
\[r=\frac{mv}{Bq}\]\[=\frac{v}{(q/m)B}=\frac{2\times {{10}^{5}}}{5\times {{10}^{7}}\times 4\times {{10}^{-2}}}=0.1m\]You need to login to perform this action.
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