An RC circuit initially contains a resistor R in series with a capacitor C

PHYSICS · Subjective · AP · Physics 2: Algebra-based · Electric Circuits · Electric Circuits

Problem

An RC circuit initially contains a resistor R in series with a capacitor C. A second identical capacitor is then connected in parallel with the original capacitor while the resistor remains unchanged. Does the time required for the circuit to reach 63 % of its final charge increase, decrease, or stay the same after the second capacitor is added? Answer with one of the three choices and give a brief reason.

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