Physics

Problem

A packet containing

5\times10^{18}

electrons is accelerated through a potential difference of

250\,\text{V}

. How much work is done on the electrons? (Elementary charge

e = 1.6\times10^{-19}\,\text{C}

.) a)

40\,\text{J}

200\,\text{J}

2000\,\text{J}

312.5\,\text{J}