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The Bode asymptotic plot of a transfer function is given below. In the frequency range shown, the transfer function has

The Bode asymptotic plot of a transfer function is given below. In the frequency range shown, the transfer function has Correct Answer 2 poles and 1 zero

From the bode plot,

The initial slope is zero, this implies there is no pole or zero at the origin.

At ω1, slope is +20dB/decade

Change in slope = 20 dB/decade, this implies there is one zero

At ω2, slope = -20 dB/decade

Change in slope = -40 dB/decade, this implies there are two poles

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