The phase angle curve of G(jÏ‰) H(jÏ‰) can be drawn

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

by dividing the phase angle curves of individual factors

by multiplying the phase angle curves of individual factors

by subtracting the phase angle curves of individual factors

by adding the phase angle curves of individual factors

Correct Answer : Option (D) : by adding the phase angle curves of individual factors

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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%