A-A+ In Henry's experiment he connected the wire to 2022-08-06 10:35:38 问答库 阅读 178 次 问题详情 In Henry"s experiment，he connected the wire to______. A. a galvanometer B. an iron barC. a battery D. an electromagnet 参考答案 正确答案：A[解析] 答案见文章第9句。
