The user must supply the coil current for the external relays.

用户必须为外部继电器提供线圈电流。

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Both the plasma density and the electron temperature increase as the coil current increases.

当线圈电流增大时，等离子体密度和电子温度都随着增大。

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Since the relay was a subminiature type, the coil current was relatively high, requiring a driver.

由于继电器是一种微型的类型，线圈电流相对较高，需要一名司机。

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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

Two similar devices were compared with the current coil methods.

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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.

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With more than 700 patents to his name, Tesla invented radio, the coil transformer, wireless communication, fluorescent lights and the alternating-current motor, which allowed electricity to flow over long distances.

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