# Cyclotron accelerating protons to 20 MeV with potential gap 100 kV

## Homework Statement

A Cyclotron is accelerating proton, where the applied magnetic field is 2 T, the potential gap is 100 KV, then how much turn are required for a kinetic energy of 20 MeV....

(a) 300
(b) 200
(c) 150
(d) 100