A system is highly oscillatory if

Gain margin is high

Gain margin is close to 1

Gain margin is close to 1 or phase margin is zero

Gain margin is high and phase margin is 180°

Correct Answer : Option (C) : Gain margin is close to 1 or phase margin is zero

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%