Using energy methods find the magnitude and direction of

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Reference no: EM13630649

A variable capacitor consists of two thin coaxial metal cylinders of radii a and b, with (b-a)<<a, free to move with respect to each other in the axial direction. The length of the cylinders is L, and the potential difference between the two cylinders is V. Using energy methods, find the magnitude and direction of the force on the inner cylinder when it is displaced by a small amount with respect to the outer one. Expain how this force arises.

Reference no: EM13630649

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