How much kinetic energy will an electron gain (in joules and eV) if it accelerates through a potential difference of 23,000 V in a TV picture tube?



Asked on

1 Answer | Add Yours

pramodpandey's profile pic

Posted on (Answer #1)

An electron has a charge `q=-1.6xx10^(-19)C`

Voltage is defined as the electric potential energy per charge i.e

This energy is converted to KE as it accelerates.
`KE=1.6xx10^(-19)xx23000 J`
`=3.68xx10^(-15) J` 

We’ve answered 288,498 questions. We can answer yours, too.

Ask a question