2.图所示电路中,闭合开关S电压表所测得电压是( ) A.电源两端的电压 B.灯L1两端的电压 C.灯L2两
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![2.图所示电路中,闭合开关S电压表所测得电压是( ) A.电源两端的电压 B.灯L1两端的电压 C.灯L2两](/uploads/image/z/6141265-25-5.jpg?t=2%EF%BC%8E%E5%9B%BE%E6%89%80%E7%A4%BA%E7%94%B5%E8%B7%AF%E4%B8%AD%2C%E9%97%AD%E5%90%88%E5%BC%80%E5%85%B3S%E7%94%B5%E5%8E%8B%E8%A1%A8%E6%89%80%E6%B5%8B%E5%BE%97%E7%94%B5%E5%8E%8B%E6%98%AF%EF%BC%88%E3%80%80%E3%80%80%EF%BC%89+A%EF%BC%8E%E7%94%B5%E6%BA%90%E4%B8%A4%E7%AB%AF%E7%9A%84%E7%94%B5%E5%8E%8B+B%EF%BC%8E%E7%81%AFL1%E4%B8%A4%E7%AB%AF%E7%9A%84%E7%94%B5%E5%8E%8B+C%EF%BC%8E%E7%81%AFL2%E4%B8%A4)
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