Question

1. An X-ray tube is connected to a 56kV supply . Calculate : (a)the kinetic energy of an electron at the anode.  (b) the maximum energy of an X-ray photons 

Answer 1

a)

$$K=eU\\K=(1)(56)=56\ keV$$

b)

$$E=eU\\E=(1)(56)=56\ keV$$