Of, relating to, or using an intermittent asymmetrical alternating electric current produced by an induction coil.

交变电压的改变与初级线圈及其次级线圈的匝数成正比。

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The electric current supplied to the coils in the guideway walls is constantly alternating to change the polarity of the magnetized coils.

供给导轨槽内线圈的电流交互变化着电磁线圈的极性。

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Ac Alternating current (ac) is electric current that alternates between a positive maximum value and a negative maximum value at a characteristic frequency, usually 50 or 60 cycles per second (Hertz).

交流交流是指电流在正负最大值之间以特定的频率变动，通常频率为50或60赫兹。

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These devices transform the direct current generated by a solar panel or electric car battery into the alternating current you expect from a wall socket.

FORBES: Magazine Article

Although they have not been found to cause any harm, the cables on conventional pylons, which transmit a three-phase alternating current, generate a strong electric field and a continuous buzz of low-frequency radio waves.

ECONOMIST: Monitor

Plug loads refer to electric power consumed by products through an ordinary alternating current plug socket.

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