An alternator is being paralleled with one on the
An alternator is being paralleled with one on the line At the instant the circuit breaker is close, the frequency of the incoming alternator will normally
A.increase
B.not change
C.decrease
D.be exactly 60 hertz
请帮忙给出正确答案和分析,谢谢!
参考解答
正确答案:C
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