Which of the following represents constant magnitude locus for M = 1? - Automatic Control Systems

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

Which of the following represents constant magnitude locus for M = 1?

A)

x = 0

B)

x = -0.5

C)

xÂ² + yÂ² = 1

D)

(x + 1)Â² + yÂ² = 1

Correct Answer : Option (B) : x = -0.5

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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

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A)

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B)

1%

C)

0.1%

D)

0.001%

Correct Answer : 0.1%

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