Networks Analysis and Synthesis - Engineering

Q1:

For the circuit in figure, fed by a unit step voltage, vc =

A 1 - e-t/RC

B e-t/RC

C et/RC

D 1

ANS:A - 1 - e-t/RC

At t = 0, vc = 0 and at t = ∞, vc = 1. This condition is satisfied only by 1 - e-t/RC.