EXAMIANS
A cascade of three linear time invariant systems is causal and unstable. From this we conclude that
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Resonant peak of a marginally stable system is
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Force balancing equation of a mass element is (where, x = displacement)
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Which one of the following is the steady state error for a step input applied to a unity feedback system with the open loop transfer function G(s) = 10/(s²+14s+50)?
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The input-output relationship of a linear time invariant continuous time system is given by r(t) = d²c(t)/dt² + 3 dc(t)/dt + 2 c(t) Where r(t) and c(t) are input and output respectively. What is the transfer function of the system equal to?
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Transfer function of a control system depends on
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The maximum phase lag occurs at the ------------------- of the two corner frequencies?
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If the transfer function of a phase lead compensator is (s+a)/(s+b) and that of a lag compensator is (s+p)/(s+q), then which one of the following sets of conditions must be satisfied?
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Error constants of a system are a measure of
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Which one of the following is the response y(t) of a casual LTI system described by H(s) = (s+1)/(s²+2s+2) for a given input x(t) = e-t u(t)?
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