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Electric field

Two parallel infinite line charges with linear charge densities +λC/m and -λC/m are placed at a distance of 2R in free space. What is the electric field mid-way between the two line charges?


 Electric field due to an infinite line charge, E=λ2πε0r  Net electric field at mid-point O, 

E0=E1+E2  As, E1=E2=λ2πε0RE0=2E1=λπε0R NC-1

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