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The figure below shows a battery of e.m.f 3.0V connected in series with two capacitors. Determine the charge stored in the combined capacitors when the switch S is closed.

Answer Text:
CT = `(3 times3)/(3+3) = 1.5 times 10^-6` F
Q = CV = `1.5 times 10^-6 times 3 = 4.5 times 10^-6`C