For a circuit that contains only a resistor of resistance in series with a capacitor…

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

For a circuit that contains only a resistor of resistance

R

in series with a capacitor of capacitance

C

, what is the expression for the circuit’s time constant

\tau

? (a)

0.693\,RC

(b)

2\,RC

(c)

RC

(d)

0.37\,RC