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Grade 12Electrostatics

four equal positive charge are fixed at the vertices of a square of side L. Z-axis is the perpendicular to the plane of the square.The point z=0 is the point where the diagonals of the square intersect each other. the plot of electric field due to the four charges, as one moves on the z axis.

Profile image of rutvik
10 Years agoGrade 12
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1 Answer

Profile image of Abhishek Singh
10 Years ago
The nature of plot is same as the plot of the electric field due to the ring at its axis.
You can see the similarity as in both cases the dist. d=from centre  is same for all charges,
the diff is just that in ring there are infinite charge and in given case only discreet 4 pt. charges are there.