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Q- Find the equivalent capacitance between points a and b in the combination of capacitors shown in Figure. C1 = 2.0 µF and C2 = 3.0 µF.


Solution:

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A spherical capacitor has two different layers of dielectrics between its plates. Their permittivity are ϵ1 for a < r < r0 and ϵ2 for r0 < r < b. Find the capacitance of this system by finding the total energy of the fields between the plates.

Solution:

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