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Electric potential function The electric potential in the xy-plane associated with two positive charges, one at (0, 1) with twice the magnitude as the charge at (0, –1), is
a. Compute ϕx and ϕy.
b. Describe how ϕx and ϕy behave as x, y → ±∞.
c. Evaluate ϕx(0, y), for all y ≠ ±1. Interpret this result.
d. Evaluate ϕy(x, 0), for all x. Interpret this result.
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