Help me

[scubasteve_27]

i've been stuck on this question all day..i dont know what to do

Design a test to determine whether the charges on an electron and a proton are exactly equal?

any help would be appreciated

[Gokul43201]

We will help as soon as we see some ideas from you. Write down anything at all (not even attempted solutions, but any preliminary thoughts on the problem) that comes to mind.