4 20 If the ratio of time periods of circular motion of two

Last updated: 6/6/2023

4 20 If the ratio of time periods of circular motion of two charged particles in magnetic field is 1 2 then the ratio of their kinetic energies must be A 1 2 C 2 1 B 2 1 D It can have any value 4 21 Figure 4 220 shows a charged