Discussion
Capacitors connected in series behave like:
Answer: B
Capacitors in series behave like resistors connected in parallel. For capacitors in series the reciprocal of the equivalent capacitance is the sum of the reciprocals, \(1/C_{eq} = 1/C_1 + 1/C_2 + \dots\), which is exactly the rule that resistors in parallel obey for their conductances. Resistors in series add directly (\(R_{eq} = R_1 + R_2 + \dots\)), so the first and third options describe the opposite behaviour: it is capacitors in parallel that add directly, like resistors in series. A galvanometer is a current-detecting instrument and has no connection with how capacitances combine.
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