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Control Systems
The maximum phase lag occurs at the ------------------- of the two corner frequencies?
either 1 or 2
arithmetic mean
None of these
geometric mean
either 1 or 2
arithmetic mean
None of these
geometric mean
Answer
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Related Question
Control Systems
The system function N(s) = V(s)/I(s) = (s+3)/(4s+5). The system is initially at rest. If the excitation i(t) is a unit step, which of the following is the final value?
3/5
1
0
1/4
3/5
1
0
1/4
Answer
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Control Systems
The phase margin of a system having the loop transfer function G(s)H(s) = 2√3/s(s+1) is
60°
45°
30°
80°
60°
45°
30°
80°
Answer
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Control Systems
The transfer function of the system described by d²/dt²(y(t)) + 3d/dt(y(t)) + 2y(t) = 5u(t) with u(t) as input and y(t) as output is
(s²+3s+2)/5
5/s(s²+3s+2)
5/(s²+3s+2)
s(s²+3s+2)/5
(s²+3s+2)/5
5/s(s²+3s+2)
5/(s²+3s+2)
s(s²+3s+2)/5
Answer
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Control Systems
If the magnitude of G(jω)H(jω) at phase crossover frequency is 0.5. Find the gain margin of the given system?
0.5
4
2
1
0.5
4
2
1
Answer
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Control Systems
Find the bandwidth of the system, when rise time of the system is give as 1msec?
350 Hz
500 Hz
750 Hz
1 kHz
350 Hz
500 Hz
750 Hz
1 kHz
Answer
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