The output voltage of a 440 volt 60 hertz AC gen
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
请帮忙给出正确答案和分析，谢谢！
参考解答
427***780
2024-06-14 23:10:22
正确答案：B
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