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Two flat conductors are placed with their inner faces separated by 17 mm. If the surface charge density on one of the i...

Two flat conductors are placed with their inner faces separated by 17 mm. If the surface charge density on one of the inner faces is 108 pC/m2 and the other inner face -108 pC/m2, what is the magnitude of the electric potential difference between the
two conductors?

Answer in units of V.
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Answer #1
                   
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Answer #2
E = sigma/epsilon0 for a charged conducting surface (from Gauss Law)
E = 1.08 * 10E-10 / 8.85 * 10E-12 = 12.2 N/C
V = E d = 12.2 * .017 = .207 J/C = .207 volts
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