这些开关可接通形成闭合电路。
它在数值上等于闭合电路中的电动势。
It is equal numerically to the e.m.f. in the closed circuit.
这就构成了一个闭合电路。
这构成一个闭合电路。
这伙计是个闭合电路。
当把电池一接到闭合电路上，电流就开始流动。
The current starts flowing as soon as the battery is connected to the closed circuit.
在恒压充电密度区域，所有的电流都为闭合电路。
In regions of constant charge density, all currents flow in closed loops.
介绍了闭合电路欧姆定律投影实验器的研制和使用方法。
This article introduces the manufacture and application methods of the projection experimenter of "Closed Circuit Ohm Law".
一些简单的开、闭合电路，可以让孩子们掌握机械系统的工作原理。
Some areas covered include developing an understanding of simple, open, and closed circuits and learning how different mechanical systems work.
电磁感应现象：闭合电路的一部分导体在磁场里做切隔磁感线运动时，导体中就产生电流的现象。
Electromagnetic induction: when a conductor of a closed electric circuit move cutting the magnetic induction lines, the conductor produces current.
电磁感应现象：闭合电路的一部分导体在磁场里做切隔磁感线运动时，导体中就产生电流的现象。
Electromagnetic induction: when a conductor of a closed electric circuit move cutting the magnetic induction lines, the conductor produces current.
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