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The Nyquist plot for a control system is shown in figure. The Bode plot for the same system will be as in—
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- Fig:- A
- Fig:- B
- Fig:- C
- Fig:- D
- Fig:- A
Correct Option: D
From given figure we observe that at ω = 0 phase of the function is –90° and at ω = ∞ phase of the function is – 270°.
Hence, Nyquist plot shown corresponds to a function of the type,
| = | ||
| R(s) | s(1 + sT1) (1 + sT2) |
The Bode-plot for such a function is of type shown in option (D).
