43. The feedback system shown below oscillates at 2 rad/s when R(S)+ ha (A) K = 2 and a = 0.75 (C) K = 4 and a = 0.5 K (s + 1) S³ + as² + 2s +1 Y(s) (B) K = 3 and a = 0.75 (D) K = 2 and a = 0.5

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter24: Resistive-inductive-capacitive Parallel Circuits
Section: Chapter Questions
Problem 4RQ: A tank circuit contains a capacitor and an inductor that produce 30 of reactance at the resonant...
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43.
The feedback system shown below oscillates at 2 rad/s when
R(s) +
ha
(A) K = 2 and a = 0.75
(C) K = 4 and a = 0.5
K (s + 1)
S³ + as¹ +2s +1
Y(s)
(B) K = 3 and a = 0.75
(D) K = 2 and a = 0.5
Transcribed Image Text:43. The feedback system shown below oscillates at 2 rad/s when R(s) + ha (A) K = 2 and a = 0.75 (C) K = 4 and a = 0.5 K (s + 1) S³ + as¹ +2s +1 Y(s) (B) K = 3 and a = 0.75 (D) K = 2 and a = 0.5
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