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

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

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Automatic Control Systems
In a two phasor servomotor, the direction of rotation of the rotating field depends on

Both magnitude and phase relationship of voltages applied to the two stator windings
Magnitudes of voltages applied to the two stator windings
Phase relation of voltages applied to the two stator windings
None of these

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