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Automatic Control Systems

Automatic Control Systems
Gain margin and phase margin can be determined from Bode plots as well as Nyquist plot.

True
False

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Automatic Control Systems
Magnetic amplifier is used for

Voltage amplification
Current amplification
Power amplification
Frequency amplification

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Automatic Control Systems
The distance of poles from origin depends on

Both A and B
Neither A nor B
Uqndamped natural frequency
Damping ratio

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Automatic Control Systems
Bandwidth is proportional to speed of response.

False
True

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Automatic Control Systems
A system is highly oscillatory if

Gain margin is high and phase margin is 180°
Gain margin is high
Gain margin is close to 1 or phase margin is zero
Gain margin is close to 1

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Automatic Control Systems
In force current analogue, mechanical mobility is analogous to

Conductance G
Impedance Z
Reactance X
Admittance Y

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