A capacitor consists of two stationary plates shaped as a semi-circle of radius R and a movable
Question:
A capacitor consists of two stationary plates shaped as a semi-circle of radius R and a movable plate made of dielectric with permittivity e and capable of rotating about an axis O between the stationary plates (Fig. 3.34). The thickness of the movable plate is equal to d which is practically the separation between the stationary plates. A potential difference V is applied to the capacitor. Find the magnitude of the moment of forces relative to the axis O acting on the movable plate in the position shown in the figure.
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R
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When the capacitor is kept at a constant potential difference V the work performed ...View the full answer
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