- #1
leslieharvey24
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Homework Statement
Charge is distributed uniformly over a large square plane of side l, as shown in the figure below. The charge per unit area is σ. Determine the electric field at a point P a distance z above the center of the plane, in the limit l -> infinity..
Homework Equations
please help.. i have no idea where to start
The Attempt at a Solution
idk :(