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> 下面是小淦同学“物理学习笔记”中的摘录，其中正确的是 A.热机效率是热机性能好坏的重要指标 B.带电体有吸引钢铁的性质 C.电荷的运动形成电流 D.电压是形成电流的原因

问题：

发布时间：2024-09-12

下面是小淦同学“物理学习笔记”中的摘录，其中正确的是

A.热机效率是热机性能好坏的重要指标
B.带电体有吸引钢铁的性质
C.电荷的运动形成电流
D.电压是形成电流的原因

参考答案：

提问用户：Mz***Aq7

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