Practice Math model, Block Diag & SF Graph - GATE & ESE

Math model, Block Diag & SF Graph

Match List – 1 (characteristics equation) with List – 2 (Nature of unit step response) and select the correct answer using the code given below:-

List – I List - II

(Characteristics equation) (Nature of unit step response)

A ${{s}^{2}}+8s+15=0/$ 1. Un-damped

B ${{s}^{2}}+24s+225=0/$ 2. Under damped

C ${{s}^{2}}+100=0/$ 3. Critically damped

D ${{s}^{2}}+20s+100=0/$ 4. Over damped

A B C D

4 2 1 3

4 3 1 2

1 4 3 2

1 3 2 4