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Question
Two large conducting plates are placed parallel to each other and they carry equal and opposite charges with surface density σ as shown in figure (30-E6). Find the electric field (a) at the left of the plates,(b) in between the plates and (c) at the right of the plates.
Two large conducting plates are placed parallel to each other and they carry equal and opposite charges with surface density σ as shown in figure (30-E6). Find the electric field (a) at the left of the plates,(b) in between the plates and (c) at the right of the plates.
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Solution
Given : surface density = σ
(a) and (c) for any point to the left and right of the dual plater,he electric field is zero As there are no electric flux outside the system.
(b) For a test charge put in the middle
Total electric field
σ2 ∈0+σ2 ∈0=σ∈0
Given : surface density = σ
(a) and (c) for any point to the left and right of the dual plater,he electric field is zero As there are no electric flux outside the system.
(b) For a test charge put in the middle
Total electric field
σ2 ∈0+σ2 ∈0=σ∈0
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