Electrostatic potential due to a collection of four point charges in a plane.

function(V,x,a,y,b,q)=q/sqrt([x-a]^2+[y-b]^2)

function(V,x,0,y,0,-1)

q_1=slider([-4,4,40])

q_2=slider([-4,4,40])

q_3=slider([-4,4,40])

q_4=slider([-4,4,40])

a=slider([-10,10])

b=slider([-10,10])

c=slider([-10,10])

d=slider([-10,10])

f=slider([-10,10])

g=slider([-10,10])

h=slider([-10,10])

j=slider([-10,10])

function(V,x,a,y,b,q_1)+function(V,x,c,y,d,q_2)+function(V,x,f,y,g,q_3)+function(V,x,h,y,j,q_4)



Author: David A. Craig <http://web.lemoyne.edu/~craigda/>

Graph of the formula

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