AUTOMATIC CONTROL SYSTEMS QUIZ

Voltage

Magnetic flux linkage

Electrostatic energy

Charge

A family of circles

A family of straight lines

Either (a) or (b)

Neither (a) nor (b)

Phase relation of voltages applied to the two stator windings

Magnitudes of voltages applied to the two stator windings

Both magnitude and phase relationship of voltages applied to the two stator windings

None of these

Both phase and gain margins

Gain margin alone

Phase margin alone

Either (a) or (b)

False

True

less than 1

1

zero

more than 1

Inversely proportional to gain constant

Directly proportional to gain constant

Inversely proportional to bandwidth of system

Independent of gain constant

3 and 4

All

1 and 2

1, 2 and 3

Gain margin is close to 1 or phase margin is zero

Gain margin is close to 1

Gain margin is high

Gain margin is high and phase margin is 180°

Lower frequencies of oscillations

Unbounded output

Stable response

Higher frequencies of oscillations