Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 exam•Written by the Fiveable Content Team • Last updated August 2025
Definition
A characteristic parameter of an RC circuit, denoted τ, that measures how quickly a capacitor charges or discharges. Defined as τ = R_eq × C_eq, where R_eq is equivalent resistance and C_eq is equivalent capacitance.