1.

An alternating electric field, of frequency v, is applied across the dees (radius = R) of a cyclotron that is being used to accelerate protons (mass = m). The operating magnetic field (B) used in the cyclotron and the kinetic energy (K) of the proton beam, produced by it, are given by

Answer»

`B=(MV)/E` and `K=2mpi^(2)V^(2)R^(2)`
`B=(2pimv)/e` and `K=mpivR^(2)`
`B=(2pimv)/e` and `K=2mpi^(2)v^(2)R^(2)`
`B=(mv)/e` and `K=m^(2)pivR^(2)`

ANSWER :C


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