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Two idential charge rod of length "l" are have charge density "ρ". Side by side (i.e....

Two idential charge rod of length "l" are have charge density "ρ". Side by side (i.e. they are placed along y-direction) one rod is placed at x=l/2 and another x=-l/2. What is a good approximation of the electric field at a far aways distance x >> l?

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