The time-constant of the network shown in the figure is \n\n[Figure needs to be uploaded later]
- A. CR
- B. 2 CR
- C. CR/4
- D. CR/2
Answer: A. CR
Explanation: [Figure needs to be uploaded later]\n$R_{eq} = \frac{R}{2}$, $C_{eq} = 2C$. Time-constant $t = R_{eq}C_{eq} = \frac{R}{2} \cdot 2C = RC$.