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What is the capacitance c of this capacitor q a2 a1

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Unformatted text preview: at is the capacitance C of this capacitor ? Q C≡ V a2 < r < a3: E = 1 Q 2πε Lr 0 metal r < a2: E(r) = 0 since Qenclosed = 0 Q (2πε0a2L) • What is V? • The potential The difference between the conductors the What is the sign of V = Vouter - Vinner? (A) Vouter-Vinner < 0 (B) Vouter-Vinner = 0 (A) (B) (C) Vouter-Vinner > 0 (C) Physics 212 Lecture 7, Slide 25 Physics Calculation cross-section A capacitor is constructed from two conducting cylindrical shells of radii a1, a2, a3, and a4 and BB length...
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