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当一次侧接额定电压并维持不变时,变压器由空载转为满载运行时,其主磁通将会

单选题
2021-09-01 20:54
A、增大 ,减小
B、减小
C、不变
D、以上都不对
查看答案

正确答案
C

试题解析

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