Answer: Colby we both dumb if we need brainly lol
Explanation:
Answer with Explanation:
We are given that


Charge on proton,q=
a.We have to find the electric potential of the proton at the position of the electron.
We know that the electric potential

Where 


B.Potential energy of electron,U=
Where
Charge on electron
=Charge on proton
Using the formula


Answer:
location of battery in this diagram is at A and location of switch is at B.