Electrical Engineering · Control Systems
The polar plot of the transfer function G(s) = 1(1 + sT1)(1 + sT2)(1 + sT3) intersects or spans across which of the following phase angles as frequency varies from 0 to ∞?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10° and −180°
- 290° and −270°
- 3180° and 270°
- 4−90° and −270°✓
Correct answer
−90° and −270°
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