Control Systems The phase margin of a system having the loop transfer function G(s)H(s) = 2√3/s(s+1) is 80° 30° 45° 60° 80° 30° 45° 60° ANSWER DOWNLOAD EXAMIANS APP
Control Systems A system has poles at 0.01 Hz, 1 Hz and 80 Hz; zeros at 5 Hz, 100 Hz and 200 Hz. The approximate phase of the system response at 20 Hz is -180° -90° 180° 90° -180° -90° 180° 90° ANSWER DOWNLOAD EXAMIANS APP
Control Systems A cascade of three linear time invariant systems is causal and unstable. From this we conclude that each system in the cascade is individually caused and unstable. at least one system is causal and all systems are unstable. the majority are unstable and the majority are causal. at least one system is unstable and at least one system is causal. each system in the cascade is individually caused and unstable. at least one system is causal and all systems are unstable. the majority are unstable and the majority are causal. at least one system is unstable and at least one system is causal. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order control system has F(jω) = 100/(100 - ω² + 10√2 jω). Find the resonant peak? 1.5 1 0.707 0.5 1.5 1 0.707 0.5 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The unit step error coefficient of a system with unity feedback is infinity. 1. 1/6. 0. infinity. 1. 1/6. 0. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The graph of an electrical network has N nodes and B branches. The number of links, L with respect to the choice of a tree, is given by B - N + 1. N - 2B - 1. B + N. N - B + 1. B - N + 1. N - 2B - 1. B + N. N - B + 1. ANSWER DOWNLOAD EXAMIANS APP
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