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Homework Statement
Two equal point charges of magnitude 4.0 μC are situated along the x-axis at x1=-2.0m and x2= 2.0m. What is the electric potential at the origin of the xy coordinate system?
Homework Equations
ΔV= Kc (q/r)
The Attempt at a Solution
Do voltages cancel each other out at the mid point or do they add up?