A radioactive source in the form of a metal sphere of

Last updated: 5/28/2023

A radioactive source in the form of a metal sphere of diameter 10 m emits B particles at a constant rate of 6 25 1010 particles per second If the source is electrically insulated how long will it take in us for its potential to rise by 1 0 volt assuming that 80 of emitted B particles escape from the surface