The voltage output of an A.Cgenerator is controlled by .

The output voltage of a 440 volt, 60 hertz, AC generator is controlled by the

A.prime mover speed

B.exciter output voltage

C.load on the alternator

D.number of poles

A.10.0 V

B.5.0 V

C.3.0 V

D.1.5 V

If the input voltage is 0.25 V and the output is -2.5 V, the value ofmust be （）.

A、40.0 kΩ

B、20.0 kΩ

C、16.0 kΩ

D、5.0 kΩ

A.40.0 kΩ

B.20.0 kΩ

C.10.0 kΩ

D.5.0 kΩ

The output voltage, VO, is given by ______.

A、VO =

B、VO =

C、VO =

D、None of the above

A constant output voltage from an AC generator is maintained by the _____.

A.prime mover governor

B.exciter generator

C.voltage regulator

D.reverse power relay

The output voltage, VO, is given by （）.

A、

B、

C、

A、input impedance

B、voltage feedback ratio

C、small-signal current gain

D、output admittance

A.19.3 Vdc

B.13.65 Vdc

C.6.14 Vdc

D.None of these