Two large thin metal plates are parallel and close to each other as in figure sh
ID: 1899380 • Letter: T
Question
Two large thin metal plates are parallel and close to each other as in figure shown above. On their inner faces, the plates have surface charge densities of opposite signs and of magnitude 8.3 * 10-22 C/m2. The negatively charged plate is on the left and the positively charged plate is on the right.
What are the magnitude and direction of the electric field E
(a) to the left of the plates?
? Magnitude: N/C
? Direction:
(b) to the right of the plates?
? Magnitude: N/C
? Direction:
(c) between the plates?
? Magnitude: N/C
? Direction:
Explanation / Answer
Use Gauss's law.
a)
0
b)
0
c)
E = /0 = 8.3e-22/8.85e-12 = 9.38e-11 N/C
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