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Introductory Physics Homework Help
Conceptual problem regarding parallel plate conductors
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[QUOTE="kartikeya95, post: 3881799, member: 411972"] [h2]Homework Statement [/h2] if two plates are kept parallel P1 and P2. one has a charge (q)..the outer surface of this plate has a charge let's say (x) thus the inner surface has a charge (q-x)..this (q-x) induces an opposite charge -(q-x) on inner surface of P2. the outer surface of P2 is grounded. [U]Why are the charges on outer surfaces of both the plates taken to be zero?[/U] [h2]The Attempt at a Solution[/h2] (q-x) and -(q-x) are bound charges. ∴ the only charge that will be grounded will be the charge existing on the outer surface of P2. since the field between the two conductors has to be zero ∴we can use the expression for field and the following is the result. x/2εA + q-x/2εA = q-x/2εA + 0/2εA this gives x=0...therefore both the charges on the outer surface are zero [/QUOTE]
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Introductory Physics Homework Help
Conceptual problem regarding parallel plate conductors
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