Four charges +q ,+q , -q , -q are placed respectively , at the corners A, B, C, D - Science - Generation and Distribution of Electric Power

Question

Four charges +q ,+q , -q , -q are placed respectively , at the
corners A, B, C, D of a square of side 'a', arranged in the given
order Calculate the electric potential and intensity at 'O' , the
centre of the square

Roop Narayan · Accepted Answer

Dear student

electric field potential=+kqr++kqr+-kqr+-kqr=0r is the distance between corner and centrelet the direction towards +q charges be positiveelectric field intensity=-kqr2→+-kqr2→+kqr→+kqr→
 adding vectorially=-2kqr2+2kqr2=0Regards

Four charges +q ,+q , -q , -q are placed respectively , at the corners A, B, C, D of a square of side 'a', arranged in the given order. Calculate the electric potential and intensity at 'O' , the centre of the square.