免费注册 手机版 网站地图 小工具

学而优·知识库

首 页
When measuring AC current flow, you must always connect the meter _____.
A.in series with the power source and load
B.in parallel with the power source and load
C.insuring correct polarity
D.using the lowest range possible to prevent instrument damage
参考答案

关闭

前往注册

我已注册,登录账号 继续查看答案