9. The gain margin in dBs of a unity feedback control system whose open loop transfer function, G(s) H(S) =1/S(S is a) 0 b) 1 c) -1 d) 0

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9. The gain margin in dBs of a unity feedback control system whose open loop transfer function, G(s) H(s) =1/s(s+1)
is
а) 0
b) 1
c) -1
d) 0
10. The loop transfer function of a system is given by G(s) H(s) =10e/s. The phase crossover frequency is 5rad/s.
The value of the dead time L is
а) тп/20
b) TT/10
с) -п/20
d) Zero
Transcribed Image Text:9. The gain margin in dBs of a unity feedback control system whose open loop transfer function, G(s) H(s) =1/s(s+1) is а) 0 b) 1 c) -1 d) 0 10. The loop transfer function of a system is given by G(s) H(s) =10e/s. The phase crossover frequency is 5rad/s. The value of the dead time L is а) тп/20 b) TT/10 с) -п/20 d) Zero
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