奥斯忒的实验是通电流导线产生磁效应的第一个证据。
Oersted's experiment was the first evidence that current - carrying wires produce magnetic effects.
把电离层和地面想象成电池的两极。用一根导线连接这两极的话，电流就会流动，然后就会产生火花。
Think of the ionosphere and the ground as the terminals on the battery and you put a wire between those two terminals and current flows, and literally you get a spark.
而自由电子则通过一条导线移动至第二电极，从而产生电流。
This forces the freed electrons to travel to the second electrode through a wire, creating an electric current.
在这种情况下，流过导线的电流与保持的电位差成正比。 （ 分词和分词短语作定语）
In this case, the current flowing through a wire is directly proportional to the potential difference maintained.
当电流流过导线时，它会遇到一些阻力，这种阻力就称为电阻。
When an electric current flows through a wire, it meets some opposition. The opposition referred to as resistance.
已知导线中流过的电流，只要测出导线两端电位差的伏特值，就能很容易得出任何长度导线的电阻值。
The resistance of any length of a conducting wire is easily measured by finding the potential difference in volts between its ends when a known current is following.
所有的导线都要载电流。
由于导线很细，电流的密度非常之高。
Because the wires are very fine, the density of the electrical current is high.
当导线停止移动时，则电流就停止流动。(补充宾语)。
电流把原子从导线的一端输送到另一端，就会在导线一端造成空洞或在另一端把导线撑破。
The electrical current transports the atom from one end of the wire to the other, so the wire on one end can have holes or at the other end can be broken.
电流克服了导线的阻力总要使导线发热。
An electric current, overcoming the resistance of the wires, invariably heats them.
当电流通过电线时，这些的电子也沿着导线缓缓地从一个原子流过另一个原子。
When an electric current flows through the wire, these electrons also drift slowly along the wire, passing on from atom to atom.
电流通过导线，正像水流过管子一样。
Electricity flows through a wire just as water flows through a pipe.
交流电流探头是利用电流变压器的原理来测试电流的﹐它的中心部分可以打开和卡紧在有电流流过的导线上。
Ac current probe act as a current transformer which the core can be opened and clamped on a current carrying conductor.
为降低长输电线路的电流不平衡度，需要进行导线换位。
Conductor transposition is necessary to reduce unbalanced current in long transmission lines.
上文探讨了载流屏蔽体的效果——让包围导线的屏蔽层带有大小相等、方向相反的电流，从而抵消磁场，降低干扰。
We have discussed the role of a current-driven shield carrying an equal and opposite current to reduce generated noise by reducing the magnetic field around a conductor.
在直流输电线路工程设计中，如果按我国现行标准规定的经济电流密度选择导线截面，将导致截面偏小，损耗增大。
In DC transmission line construction design, current national standard of economical current density will under predictcd conductor section, resulting in large loss.
细导线的电阻比粗导线的电阻大，它阻碍电流通过，因此变得很热。
A thin wire has a higher resistance than a thick one. It tries to stop the flow of current. Then it gets very hot.
从工业企业经济效益的观点出发，文中推导出架空导线的经济电流密度的几种表达形式。
According to the viewpoint of economic effect of induStrial enterpriSe, Several expreSSionS of economical current denSity for overhead line conductorS are derived in thiS paper.
导线如果放在水下，电流就会全部漏掉。
If a wire was laid under water, the current would all leak away.
对图示电池，有电流通过金属导线和电解质流动。
For the cell shown, an electrical current would flow through the metallic conductor and the electrolyte.
本文介绍了我们对感应法测量超导线短样临介电流技术的若干改进。
Some improvements of inducing technique for critical current measurement of short sample of the superconductor have been made.
电流通过导线就像水流通过管子一样。
The flowing of electricity through a wire is not unlike that of water through a Pope.
这一现象改变了通过导线的电流分布、从而改变导线的阻抗，结果是使信号在高频下衰减。
This phenomenon alters the distribution of the signal current throughout the wire and changes the effective resistance on the wire .
这一现象改变了通过导线的电流分布、从而改变导线的阻抗，结果是使信号在高频下衰减。
This phenomenon alters the distribution of the signal current throughout the wire and changes the effective resistance on the wire .
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