The figure shows cross-sections through two large, parallel, nonconducting sheets with identical distributions of positive charge with surface charge density σ = 1.06 × 10-22 C/m2. What is the y component of the electric field at points (a) above the sheets, (b) between them, and (c) below them?
So since they have equal surface density, and their postive polarities are opposite of each other, I would think that they electric fields would just cancell each other out right? Appereantly not. Their elecctric field hace equal magnitude in opposite direction. Why would the doward compnent cancel the upward component?
The Attempt at a Solution
The E field in the in between the plates is zero since the inside component cancel each other out.
On the ouside...
But the answer is actually
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