Problem A5: In the figure above are two infinitely large planes that are separated by a distance d. Each plane is very very thin. The plane on the left has a surface charge density of n1σ. The plane on the right has a surface charge density of n2σ. The expression for the net electric field at a point d/3 from the left plane is n3σ/ε. What is n3?

n1 = n2 = Input n3:

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