Two large, thin metal plates are parallel and close to each other. On their inner faces, the plates

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Two large, thin metal plates are parallel and close to each other. On their inner faces, the plates have surface charge densities of opposite signs and of magnitude `19xx10^(-22) Cm^(-2)`. What is E (a) to the left of the plates (b) to the right of the plates (c) between the plates ? Here, `sigma = 19xx10^(-22) Cm^(-2)`
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i think this is a wrong soln, because at A the E would be zero because there is no charge on the outer surface of the plate
and E lines cannot pass through metal sheets as metal acts as a conductor.
So ans would be zero at that point but not because of E gettinf cancelled but because of no charge.

raghav