a) How much work does the electric field do in moving a proton from a point with a potential of +175 V to a point where it is -45 V ? Express your answer in joules.

asked by @raymonds4 • 12 months ago • Physics • 5 pts

a) How much work does the electric field do in moving a proton from a point with a potential of +175 V to a point where it is -45 V ? Express your answer in joules.

ALSO,

b) Express your answer in electron volts.

Add comment
1 answer

Work done by electric field=qΔV. Remember, positive work means the displacement and the force due to electric field are in the same direction and for negative work, the y are in opposite directions. See if your answer makes sense with this in mind. For the conversion, 1 J=6.242e18 eV.

answered by @juanv2 • 12 months ago