选择题:A.3V,4Ω B.6V,3Ω C.-3V,4Ω, D.-6V,3Ω 题目分类:电气工程师 题目类型:选择题 号外号外:注册会员即送体验阅读点! 题目内容: A.3V,4ΩB.6V,3ΩC.-3V,4Ω,D.-6V,3Ω 参考答案: 答案解析: