(a) Derive an expression for the maximum kinetic energy that an ion of charge and…

PHYSICS · Subjective · CBSE · Physics · Moving Charges and Magnetism · Moving Charges and Magnetism

Problem

(a) Derive an expression for the maximum kinetic energy Kmax⁡K_{\max} that an ion of charge qq and mass mm can acquire in a cyclotron of maximum orbital radius RR operating with a uniform magnetic field BB. (b) A cyclotron has R=0.40 mR = 0.40\,\text{m} and operates with B=1.8 TB = 1.8\,\text{T}. Calculate the maximum kinetic energy, in mega-electron-volts, that it can impart to protons. (c) Using the same machine and magnetic field, what will be the maximum kinetic energy imparted to α\alpha-particles (q=2 e,  m=4 mp)(q = 2\,e,\;m = 4\,m_{\mathrm p})? Comment briefly on the result.

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