Related Questions

According to Bode stability criterian, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is
A 0°
B 45°
C 90°
D 180°
Bode diagram is a plot of
A Log (AR) vs. log (f) and (Φ) vs. log (f)
B Log (AR) vs. f and log Φ vs.f
C AR vs. log (f) and Φ vs. log (f)
D None of these
In Bode plots the frequency at which two asymptotes meet is called corner frequency.
A True
B False
Gain margin and phase margin can be determined from Bode plots as well as Nyquist plot.
A True
B False
Bode stability method uses __________ loop transfer function.
A Open
B Closed
C Either A or B
D Neither A nor B
In Bode plot, A.R. vs. w is plotted on a/an __________ graph paper.
A Log-lag
B Triangular
C Ordinary
D Semi-log
In Bode plot, Φ vs ω is plotted on a/an __________ graph paper.
A Log-log
B Ordinary
C Semi-log
D Triangular
Response of a system to a sinusoidal input is called __________ response.
A Impluse
B Unit step
C Frequency
D None of these
The e.m.f. generated by a shunt wound D.C. generator is E. Now while pole flux remains constant, if the speed of the generator is doubled, the e.m.f. generated will be
A $$\frac{{\text{E}}}{2}$$
B 2E
C Slightly less than E
D E
The initial response when tne output is not equal to input is called
A Transient response
B Error response
C Dynamic response
D Either of the above

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