i have the distance between the plates, the voltage, the area of the plates, the epsilons of both dielectrics but not their area. The dielectrics are on top of each other.
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So you treat it as two caps in parallel. If you don't know the proportions, the problem can't be solved.
I think you need to list the question as you have it, exactly, if you want an answer. No one likes to guess at the question.
I think you need to list the question as you have it, exactly, if you want an answer. No one likes to guess at the question.
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You can assume the area of the dielectrics is the same as the area of the plates. You should treat this as 2 caps in series. The capacitance is each portion is given by C=eo erx area/distancex where x denotes which portion you are computing.