Answer to Question #308871 in Physics for John

Question

An electron is accelerated from rest through a potential difference is 15V.What is the change in electric potential energy of the electron?

Answer 1

The change in potential energy is the charge of electron times potential difference:

$$\Delta E_p = 1.6\times 10^{-19}C\cdot 15V = 24\times 10^{-19}J$$