In cyclotron for a given magnet radius of the semicircle traced by positive ion is directly proportional to (where v= velocity of positive ion)

In cyclotron for a given magnet radius of the semicircle traced by positive ion is directly proportional to (where v= velocity of positive ion)
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In cyclotron for a given magnet radius of the semicircle traced by positive ion is directly proportional to (where v= ... 1)` C. `v` D. `v^(2)`
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