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3. If the unity feedback system is given by the open loop transfer function G(s) = ks2 / [(s+5) (s+10)], what would be the initial slope of magnitude plot? (a) 20 dB/decade (b) -20 dB/decade (c) 40 dB/decade (d) Unpredictable 4. If the phase angle at gain crossover frequency is estimated to be -105°, what will be the value of phase margin of the system? (a) 80 ° (b) 105° (d) -75° 5. The phase angle of the system G(S) (c) 75° s+5 s²+8s+9 = ; varies between (a) 0° and 90° (b) 0° and -90° (c) 0° and -180° (d) -90° and -180°

3. If the unity feedback system is given by the open loop transfer function G(s) = ks2 / [(s+5) (s+10)], what would be the initial slope of magnitude plot? (a) 20 dB/decade (b) -20 dB/decade (c) 40 dB/decade (d) Unpredictable 4. If the phase angle at gain crossover frequency is estimated to be -105°, what will be the value of phase margin of the system? (a) 80 ° (b) 105° (d) -75° 5. The phase angle of the system G(S) (c) 75° s+5 s²+8s+9 = ; varies between (a) 0° and 90° (b) 0° and -90° (c) 0° and -180° (d) -90° and -180°

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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3. If the unity feedback system is given by the open loop transfer function G(s) = ks2 / [(s+5) (s+10)], what would be the initial slope of magnitude plot? (a) 20 dB/decade (b) -20 dB/decade (c) 40 dB/decade (d) Unpredictable 4. If the phase angle at gain crossover frequency is estimated to be -105°, what will be the value of phase margin of the system? (b) 105° (a) 80 ° (d) -75° 5. The phase angle of the system G(S) = (c) 75° s+5 S²+8s+9 ; varies between (a) 0° and 90° (b) 0° and -90° (c) 0° and -180° (d) -90° and -180°
Transcribed Image Text:3. If the unity feedback system is given by the open loop transfer function G(s) = ks2 / [(s+5) (s+10)], what would be the initial slope of magnitude plot? (a) 20 dB/decade (b) -20 dB/decade (c) 40 dB/decade (d) Unpredictable 4. If the phase angle at gain crossover frequency is estimated to be -105°, what will be the value of phase margin of the system? (b) 105° (a) 80 ° (d) -75° 5. The phase angle of the system G(S) = (c) 75° s+5 S²+8s+9 ; varies between (a) 0° and 90° (b) 0° and -90° (c) 0° and -180° (d) -90° and -180°
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