A) 8 times
B) 2 times
C) 4 times
D) 3 times
Correct Answer: C
Solution :
Force\[=qvB=\frac{m{{v}^{2}}}{r}=\](centripetal force) \[\Rightarrow \] \[r=\frac{mv}{qB}\] \[\therefore \] \[r=\frac{m\times 2\,\,v}{q\times \frac{B}{2}}=4\,\,r\]You need to login to perform this action.
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