What is the relation between output response and input signal in closed loop system? - Automatic Control Systems

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

What is the relation between output response and input signal in closed loop system?

A)

Parabolic

B)

Nonlinear

C)

Linear

D)

Exponential

Correct Answer : Option (C) : Linear

Explanation : Due to the linearizing effect of the feedback the relation between output response and the input signal in closed loop system is linear.

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

A)

is +90Â°

B)

is -90Â°

C)

depends on the damping factor

D)

None of the above

Correct Answer : is -90Â°

The response to sinusoidal excitation can be found by

A)

setting s = jÏ‰ in the network function

B)

setting s = -jÏ‰ in the network function

C)

taking inverse transform of network function

D)

None of the above

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

The resolution of a wire wound potentiometer is about

A)

5%

B)

1%

C)

0.1%

D)

0.001%

Correct Answer : 0.1%

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