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Point charges q and -q located at the ve...

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)`
`[-(ql)/(sqrt(2)piepsilon_(0)x^(3))]`

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PHYSICS GALAXY - ASHISH ARORA-ELECTROSTATICS-Partice Exercise
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