# Circuit analysis in S domain MCQ’s

This set of Electronic Devices & Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Circuit analysis in S domain”.

1. The network function (3s2 + 8s)/(s + 1)(s + 3) represents
a) RC impedance
b) RL impedance
c) LC impedance
d) None of the mentioned

2. The network function (s + 1)(s + 4)/s(s + 2)(s + 5) represents
a) RC impedance
b) RL impedance
c) LC impedance
d) All of the mentioned

3. The network function (s2 + 4s)/(s + 1)(s + 2)(s + 3) represents
a) RC impedance
b) RL impedance
c) LC impedance
d) None of the mentioned

4. The network function s^2 + 10s + 24/s2 + 8s + 15 represents
a) RC impedance
b) RL impedance
c) LC impedance
d) None of the mentioned

5. The network function (s2 + 8s +15)/(s2 + 6s + 8) is
d) All of the mentioned

6. The current response of a network to a unit step input is Io(s) = 10(s + 2)/s(s2 + 11s + 30). The response is
a) Under damped
b) Over damped
c) Critically damped
d) None of the mentioned

7. A valid immittance function is
a) (s + 4)(s + 8)/(s + 2)(s – 5)
b) s(s + 1)/(s + 2)(s + 5)
c) s(s + 2)(s + 3)/(s + 1)(s + 4)
d) s(s + 2)(s + 6)/(s + 1)(s + 4)

8. The voltage response of a network to a unit step input is Vo(s) = 10/s(s2 + 8s + 16). The response is
a) under damped
b) over damped
c) critically damped
d) can’t be determined

Circuit for q.9-Q.10

9. The ratio of the transfer function Io/Is is
a) s(s + 4)/(s2 + 3s + 4)
b) s(s + 4)/(s + 1)(s + 3)
c) (s2 + 3s + 4)/s(s + 4)
d) (s + 1)(s + 3)/s(s + 4)

10. The response is
a) Over damped
b) Under damped
c) Critically damped
d) can’t be determined