An X-ray tube, operated at a potential difference of 40 kV, produce heat at the rate of
Channel: Doubtnut
Date: 2020-03-29

An X-ray tube, operated at a potential difference of 40 kV, produce heat at the rate of 720 W.Assuming 0.5% of the energy of incident electrons is converted into X-rays , calculate (i)The number of electron per second striking the target (ii)The velocity of the incident electrons .