Physics · Control Systems - Frequency Response
If the polar plot of a control system passes through the point (-1, j0), then this implies that at this frequency:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1the magnitude is 1 dB and phase is 180°
- 2the magnitude is -20 dB and phase is -180°
- 3the magnitude is 20 dB and phase is -180°
- 4the magnitude is 0 dB and phase is -180°✓
Correct answer
the magnitude is 0 dB and phase is -180°
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