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Why must electrostatic field be normal to the surface at every point of a charged conductor ?

Why must electrostatic field be normal to the surface at every point of a charged conductor ?

Grade:12

1 Answers

kunal
9 Points
4 years ago
In case of equipotential surfaceW=0 W= F.S= qE.S= qES cos@= 0q,E,S not equal to Zero socos@=0, then @= 90In case of non equipotential surface:E = -dV/dr and on surface V= Constant so component of E=0 soEcos@=0 cos@=0 @= 90

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