An electron and a proton are moving at the similar speed in circular paths in the similar uniform magnetic field.
The radius of the path of the proton is one of the following. Is this radius:
a) The same as that of the electron
b) About 2000 times larger than that of the electron
c) A little larger than that of the electron
d) Smaller than that of the electron
Ans- About 2000 times larger than that of the electron