What is the time constant in an RC integrating circuit if a 10 $\mathrm { k } \Omega$ resistor is in series with a 220 $\mu \mathrm { F }$ capacitor?
A) 22 ms
B) 2.2 s
C) 2.2 ms
D) 0.22 ms

Question

What is the time constant in an RC integrating circuit if a 10 $\mathrm { k } \Omega$ resistor is in series with a  220 $\mu \mathrm { F }$ capacitor?
A)  22 ms
B)  2.2 s
C)  2.2 ms
D)  0.22 ms

Quizplus · Accepted Answer

The time constant $\tau$ in an RC circuit is given by $\tau = R \times C$. Here, $R = 10 \, \mathrm{k}\Omega = 10,000 \, \Omega$ and $C = 220 \, \mu\mathrm{F} = 220 \times 10^{-6} \, \mathrm{F}$. Thus, $\tau = 10,000 \times 220 \times 10^{-6} = 2.2 \, \mathrm{s}$.

What Is the Time Constant in an RC Integrating Circuit kΩ\mathrm { k } \OmegakΩ

What Is the Time Constant in an RC Integrating Circuit $\mathrm { k } \Omega$