Question: A system with unity feedback having open loop transfer function as G(s) = K(s+1)/s3+as2+2s+1. What values of ‘K’ and ’a’ should be chosen so that the system oscillates ?
Options
A : K =2, a =1
B : K =2, a =0.75
C : K =4, a =1
D : K =4, a =0.75
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