A) 2.0 on
B) 0.5cm
C) 4.0 cm
D) 1.0cm
Correct Answer: C
Solution :
[c] \[r=\frac{mv}{qB}\]or \[r\propto v\] As v is doubled, the radius also becomes double. Hence radius \[=2\times 2=4\,cm\]You need to login to perform this action.
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