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Four identical charges Q are fixed at the four corners of a square of side a. Show that the net electric field at a point P located symmetrically at a distance a / √2 from the centre of the square is Q / (√2 pie ε0 a 2 ).
there r 4 charges at 4 corners of square... so by the formula of electric field E=Q/4 pie r2ε0 . put values in this formula and multiply it by 4.u will get answer
there r 4 charges at 4 corners of square...
so by the formula of electric field E=Q/4 pie r2ε0 . put values in this formula and multiply it by 4.u will get answer
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