Math model, Block Diag & SF Graph
Quick practice
Question 1 of 5
Consider a unity feedback closed loop control system having loop gain transfer function given by 
. From its root locus diagram which of the following options can be correct:-
1. Stable system for K > –4
2. GM = 1
3. PM = 180°
The correct statements are
A
1 and 2
B
1 and 3
C
All
D
2 and 3
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