LED's require resistors to control current when used with batteries rated at over 2 volts.

当使用2伏以上的电池时，需要使用额外的电阻来帮助控制电流。

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In the case of lead and lead dioxide, this potential difference is just over two volts per cell.

以铅和二氧化铅为例的电池，每节电池的电位差可产生2伏电压。

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Electrical Circuitry: Converters stabilize the current's varying frequencies. Transformers boost voltage from 690 volts to more than 22,000, so current travels efficiently over long-distance lines.

电气线路：利用整流装置稳定电流的变化频率，此外通过变压器把690伏特的电压提升到超过2200 0伏特，大大提高了电流长途输送的效率。

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This will be 13.6 over 100 electron volts.

这相当于13。6倍的100电子伏特。

麻省理工公开课 - 固态化学导论课程节选

In the case of lead and lead dioxide, this potential difference is just over two volts per cell.

ECONOMIST: Einstein and car batteries

But electricity on the utilities' grid courses at a searingly high 60, 000 to 500, 000 volts while it travels hundreds of kilometers over transmission lines to populated areas.

FORBES: Magazine Article

But electricity on the utilities' grid courses at a searingly high 60, 000 to 500, 000 volts while it travels hundreds of miles over transmission lines to populated areas.

FORBES: Magazine Article