日光灯电路的灯管电压与镇流器两端电压和电路总电压的关系为( )。
发布时间:2025-12-07
A.两电压之和等于总电压
B.两电压的相量和等于总电压
C.两电压之和的一半等于总电压
D.无法确定
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