Automatic Control Systems
For any transfer function, the constant phase angle loci are

Neither (a) nor (b)
A family of circles
A family of straight lines
Either (a) or (b)

ANSWER DOWNLOAD EXAMIANS APP

Automatic Control Systems
Which of the following features is not associated with Nichols chart?

It is symmetric about -180°
The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system
M loci are centred about (0 dB, -180°) point
(0 dB, -180°) point on Nichols chart represent critical Point (-1, 0)

ANSWER DOWNLOAD EXAMIANS APP