A) \[\frac{r}{2}\]
B) \[\frac{r}{4}\]
C) 2r
D) 4r
Correct Answer: C
Solution :
Since, \[r=\frac{mv}{qB}\] \[\Rightarrow \] \[r\propto \frac{1}{B}\] So, as B becomes \[\frac{B}{2},\]\[r\]becomes\[2r\].You need to login to perform this action.
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