A conditionally stable system is stable for the value of gain between two critical values. It is unstable if

Electronics and Communication Engineering (ECE) : Automatic Control Systems - Quiz(MCQ)

The gain is increased beyond upper critical value

The gain is decreased below lower critical value

Both (A) and (B)

Neither (A) nor (B)

Correct Answer : Option (C) : Both (A) and (B)

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 +90Â°

is -90Â°

depends on the damping factor

None of the above

Correct Answer : is -90Â°

The response to sinusoidal excitation can be found by

setting s = jÏ‰ in the network function

setting s = -jÏ‰ in the network function

taking inverse transform of network function

None of the above

Correct Answer : setting s = jÏ‰ in the network function

The resolution of a wire wound potentiometer is about

0.1%

0.001%

Correct Answer : 0.1%