如图所示电路中,下列关于灯炮L1﹑L2、L3连接说法中不正确是
A.S1﹑S 2都断开,L1﹑L3串联 |
B.S1﹑S2都闭合,L2﹑L3并联 |
C.S2断开,S1闭合,L1﹑L3串联 |
D.S2断开,S1闭合,只有L3能发光 |
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如图所示电路中,下列关于灯炮L1﹑L2、L3连接说法中不正确是
A.S1﹑S 2都断开,L1﹑L3串联 |
B.S1﹑S2都闭合,L2﹑L3并联 |
C.S2断开,S1闭合,L1﹑L3串联 |
D.S2断开,S1闭合,只有L3能发光 |
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