The open loop transfer function of negative feedback transfer function is G(s)H(s) =

1) The phase crossover frequency in (rad/sec) is

a) b) 3 c) 1/3 d)

2) The value of gain margin in dB is

a) 24.08 b) 18.06 c) 12.04 d) 6.02

3) The gain crossover frequency is

a) 0 b) Infinity c) d)

4) The phase margin is

a) b) 0 c) d)

5) The system with open loop transfer function G(s)H(s)= has a gain margin of

a) -6 dB b) 0 dB c) 3.5 dB d) 6 dB

Ans : b

6) The gain margin of a system having transfer function

G(s) H(s) = is

a) 0 b) 3 c) 6 d) Infinity

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