Derive relation between electric field and electric potential
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Let us consider two equipotential surfaces A and B closely spaced.
potential at A=V, potential at B=V-dV
when dV is the decrease in the potential I. The direction of electric field normal A to B
suppose Dr= perpendicular distance between the two surfaces.
work done in taking a unit positive charge along dr from B to A.
potential at A=V, potential at B=V-dV
when dV is the decrease in the potential I. The direction of electric field normal A to B
suppose Dr= perpendicular distance between the two surfaces.
work done in taking a unit positive charge along dr from B to A.
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