一次侧额定电压为220V的单相变压器,接220V交流电源时,空载电流为1.5A,如果不慎接了380V的交流电源,则空载电流为( )A。
发布时间:2024-09-21
A.2.59
B.1.5
C.大于2.59
D.小于1.5
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