In this paper, a triple-coil magnetic field is designed, which is better than Helmholtz coil not only in uniformity but in intensity.

通过研究与比较单线圈、亥姆霍兹线圈、三线圈的磁场，得出三线圈的磁场在均匀性和强度上均超过了单线圈和亥姆霍兹线圈。

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Has analyzed the Helmholtz coil center region axial magnetic field distribution, gave one kind to survey the Helmholtz coil magnetic field distributed one new method.

分析了亥姆霍兹线圈中心区域轴向磁场的分布，给出了一种测量亥姆霍兹线圈磁场分布的一种新方法。

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The energy within this circuit oscillates rapidly between an electric field in the capacitor and a magnetic field in the coil.

电容产生电场，线圈生成磁场，电路中的能量就在电场和磁场之间高速振荡。

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That is we make animation file when you put the current to the coil of the field, getting established magnetic field.

即通过制作动画效果,当你将电流,输送到线圈上，形成磁场。

麻省理工公开课 - 媒体、教育、市场课程节选

For example, one of the experiments we do is measure the magnetic field of current coil, and after we do the experiment, we all have a passive visualization that shows the same experimental set-up, except we add to that.

比如，我们做的一个实验就是,测量电线圈的磁场，在我们做完实验之后，我们都感受到了一个直观化的过程,它展现了同样的实验过程，只是那是我们加的。

麻省理工公开课 - 媒体、教育、市场课程节选

Instead, the coil is pulled through the external magnetic field, which induces a voltage across it.

ECONOMIST: Weighing a kilogram

The coil is suspended in an external magnetic field and the current running through it adjusted so that the attraction between the two magnets balances the gravitational force on the suspended mass.

ECONOMIST: Weighing a kilogram

That is because the transmitter uses a large flat coil, placed over the heart, to generate the magnetic field that powers the receiver.

ECONOMIST: Case history