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

It is symmetric about -180°

M loci are centred about (0 dB, -180°) point

(0 dB, -180°) point on Nichols chart represent critical Point (-1, 0)

The frequency at intersection of G (jω) locus and M = +3 dB locus gives bandwidth of closed loop system

Correct Answer : Option (D) : The frequency at intersection of G (jω) locus and M = +3 dB locus gives bandwidth of closed loop system

Recently Updated in Automatic Control Systems Questions

For a quadratic factor in denominator of transfer function the phase angle at corner frequency (in Bode phase angle plot)

is +90°

is -90°

depends on the damping factor

None of the above

Correct Answer : is -90°

The response to sinusoidal excitation can be found by

setting s = jω in the network function

setting s = -jω in the network function

taking inverse transform of network function

None of the above

Correct Answer : setting s = jω in the network function

The resolution of a wire wound potentiometer is about

0.1%

0.001%

Correct Answer : 0.1%