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Automatic Control Systems

Automatic Control Systems
The permanent magnet field system of brushless dc servo- motor is generally on

Stator
Either (a) or (b)
Rotor
Partly on stator and partly on rotor

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

Impedance Z
Conductance G
Reactance X
Admittance Y

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Automatic Control Systems
DC tachogenerator can be used in

Neither A nor B
Position control system
Speed control system
Both A and B

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Automatic Control Systems
In force current analogy, displacement x is analogous to

Magnetic flux linkage
Charge
Voltage
Electrostatic energy

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Automatic Control Systems
Magnetic amplifier is used for

Frequency amplification
Voltage amplification
Current amplification
Power amplification

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Automatic Control Systems
In control systems the output of sensor usually, is

Analog electrical signal
Digital electrical signal
Mechanical signal
Analog or digital electrical signal

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MORE MCQ ON Automatic Control Systems

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