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> 在一个电路中，将开关S断开时 A．若两灯同时熄灭，则两灯一定串联 B．若两灯同时熄灭，则两灯一定并联 C．若一灯熄灭一灯亮，则两灯一定串联 D．若一灯熄灭一灯亮，则两灯一定并联

问题：

发布时间：2024-09-12

在一个电路中，将开关S断开时

A．若两灯同时熄灭，则两灯一定串联 B．若两灯同时熄灭，则两灯一定并联

C．若一灯熄灭一灯亮，则两灯一定串联 D．若一灯熄灭一灯亮，则两灯一定并联

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