Two large parallel thin plates having uniform charge densities `+ sigma and - sigma` are kept in X-Z plane at a distance d apart. Sketch an equipotential surface due to electric field between the plates. If a particle of mass m and charge `-q` remains stationary between the plates, what is the magnitude and direction of the field ?

Two large parallel thin plates having uniform charge densities `+ sigm

1.	Two large parallel thin plates having uniform charge densities `+ sigma and - sigma` are kept in X-Z plane at a distance d apart. Sketch an equipotential surface due to electric field between the plates. If a particle of mass m and charge `-q` remains stationary between the plates, what is the magnitude and direction of the field ?
Answer» Electric field due to two infinite plane parallel sheets of charge :

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