-
Conventionally, the direction of electric current is that of the flow of the positive ions.
为了表示电流总的作用,通常取正载荷子的流动方向为电流方向。
youdao
-
Conventionally, the direction of electric current is that of the flow of the positive ions.
为了表示电流总的作用,通常取正载荷子的流动方向为电流方向。
youdao