Consider the following statements:The gain margin and phase margin of – McqOptions

MCQOPTIONS

1.	Consider the following statements:The gain margin and phase margin of an unstable system may respectively be1. Positive, positive2. Positive, negative3. Negative, positive4. Negative, negativeOf these statements
A.	1 and 4 are correct
B.	1 and 2 are correct
C.	1, 2 and 3 are correct
D.	2,3 and 4 are correctView Answer
Answer» E.

Discussion

No Comment Found

Related MCQs

Statement 1: In constant M circles, as M increases from 1 to 8 radius of circle increases from 0 to 8 and Centre shifts from (-1,0) to (-8,0)Statement 2: The circle intersects real axis at point (-1/2, 0)
The gain margin for the system with open loop transfer functionG(s) H(s) = G(s) =2(1+s) / s2 is
The gain margin (in dB) of a system having the loop transfer functionG(s) H(s) = 2 / s(s+1) is
For the transfer functionG(s) H(s) = 1 / s(s+1) (s+0.5), the phase cross-over frequency is
The corner frequencies are
The polar plot of the open loop transfer function of a feedback control system intersects the real axis at -2. The gain margin of the system is
If a system has an open loop transfer function1-s / 1+s, then the gain of the system at frequency of 1 rad/s will be
Consider the following statements:The gain margin and phase margin of an unstable system may respectively be1. Positive, positive2. Positive, negative3. Negative, positive4. Negative, negativeOf these statements
The unit circle of the Nyquist plot transforms into 0dB line of the amplitude plot of the Bode diagram at
The open loop transfer function of a system is G(s) H(s)= K / (1+s)(1+2s)(1+3s)The phase cross over frequency ωc is