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Obtain the transfer function for the response curve shown below—
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40 s(1 + 0·1s) -
4 s(1 + 0·1s) -
4 s(1 + 0·01s) -
20 s(1 + 0·1s)
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Correct Option: C
From figure
20 log10 K = 12
K = 1012/20
or K = 3·98 ≈ 4
one pole atω = 100
i.e., (1 + sT),
where
T0 = 1/ω = 1/100
(1 + 0·01s)
Hence transfer function, G(s) H(s) = 4/1 + 0·01s
Hence alternative (C) is the correct choice.
