Parallel Circuit

For parallel, both plates are across the same voltage, so Vtotal = V1 = V2 . The charge can accumulate on either plate, so: Qtotal = Q1 + Q2 . Since the Q’s are in the numerator, we have: Ceff = C1 + C2.

+ +Q1 +Q2

Vbat C1 -Q1 C2 -Q2

+Q1 ?

? +Qtotal = Q1+Q2 ? +Q2

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