Point charges q and -q located at the vertices of a square with diagonals 2l as shown
Channel: Doubtnut
Date: 2020-08-30

Point charges q and -q located at the vertices of a square with diagonals 2l as shown in figure. Find the magnitude of the electric field at a point located symmetrically with respect to the vertices of the square at a distance x from its centre. Consider `x gtgt l_(0)`