The open-loop transfer function of a system is given by $$G\left( s \right)H\left( s \right) = \frac{{100\left( {s + 100} \right)}}{{s\left( {s + 10} \right)}}.$$ In the straight line approximation of the Bode plot, |G(jω) H(jω)| and ∠G(jω) H(jω) at ω = 100 rad/s are:
A. 0 dB and $$\frac{{ - 3\pi }}{4}$$ rad
B. 0 dB and $$\frac{\pi }{4}$$ rad
C. 20 dB and $$\frac{{ - 3\pi }}{4}$$ rad
D. 20 dB and $$\frac{\pi }{4}$$ rad
Answer: Option C
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