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Question: for this function bode plot gs 100s101 ss11s1001 a...

Question details

for this function bode plot
g(s)= (100(s/10+1)) / (s(s/1-1)(s/100+1))

a) why does phase start at -270 degrees

b) sketch Nyquist plot

c) is the system stable?

d) will system be stable if gain is lowered by factor of 100? do a rough sketch to confirm

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