Using a resistor and two different value capacitors, which of the following combinations in an RC circuit would give the greatest time constant?
A) the resistor in series with both capacitors in series with each other
B) the resistor in series with the lower value capacitor
C) the resistor in series with the larger value capacitor
D) the resistor in series with both capacitors in parallel with each other

Question

Quizplus · Accepted Answer

The time constant τ for an RC circuit is given by τ = R * C. When capacitors are in parallel, their capacitances add up, resulting in a larger equivalent capacitance. Therefore, the combination of the resistor in series with both capacitors in parallel will yield the greatest time constant.

Using a Resistor and Two Different Value Capacitors, Which of the Following