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Physics197
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Homework Statement
1. If two plates, 1.0 cm by 1.0 cm, with charges of −2.30 µC and +2.30 µC, what is the magnitude of the electric field at b?
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...b
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2. A uniform electric field of strength E = 4.80×10^4 N/C is observed in the region adjacent to a large, uniformly charged plate. What is the charge per unit area on the plate?
ll---->
ll---->
ll---->
ll---->
bar ll E field -->
Homework Equations
E=F/Q
E= sum kq1/(d1)^2
density = E*[tex]\epsilon[/tex]o
[tex]\epsilon[/tex] = 8.85x10^-12
The Attempt at a Solution
Not sure how to solve 1, due to the distance from the plate to B is not given.
for 2, I thought it would just be (8.85x10^-12)(4.80x10^4) = 4.25x10^-7 C/m^2