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a parallel-plate capacitor has a plate area of 12.9 cm2 and a capacitance of 9 pf . what is the plate separation? the value of the permittivity of a vacuum is

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Answer:For parallel plate capacitors, the capacitance (dependent on its geometry) is given by the formula C=ϵ⋅Ad C = ϵ ⋅ A d , where C is the value of the capacitance, A is the area of each plate, d is the distance between the plates, and ϵ is the permittivity of the material between the plates of the parallel capacitor.

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