Chinese word

电压

Pronunciation

Pinyindiàn yā

Meaning

  • nounvoltage

Example

开关打开后，线路上的电压恢复了。kāi guān dǎ kāi hòu xiàn lù shàng de diàn yā huī fù le

After the switch is turned on, the voltage in the circuit is restored.

Illustration for 电压 (voltage)

More examples

插座接触不好会导致电压波动，灯光忽明忽暗。chā zuò jiē chù bù hǎo huì dǎo zhì diàn yā bō dòng dēng guāng hū míng hū àn

Poor contact in the outlet can cause voltage fluctuations, making the lights flicker.

Core concept

An electrical pressure gap between two points that determines how strongly charge is driven to move.

Common phrases

  • 低电压dī diàn yā

    low voltage

  • 高电压gāo diàn yā

    high voltage

  • 电压波动diàn yā bō dòng

    voltage fluctuation

Similar words

电流diàn liú: The amount of electricity flowing through a circuit, measured in amperes.
电源diàn yuán: A device or place that provides electricity for equipment, such as a socket or battery.
电量diàn liàng: The amount of electricity consumed during a period, used when discussing power use or bills.
电池diàn chí: A chemical energy storage device that supplies electricity to portable equipment.

Definition in Chinese

电压是表示电路两点之间电位差的物理量，用来衡量推动电荷移动的能力，单位为伏特(V)。diàn yā shì biǎo shì diàn lù liáng diǎn zhī jiān diàn wèi chā de wù lǐ liàng yòng lái héng liáng tuī dòng diàn hè yí dòng de néng lì dān wèi wèi fú tè V

Word origin

The compound 电 (diàn, "electricity") + 压 (yā, "pressure") literally presents the technical idea as pressure produced by electricity.

Usage tips

  • Questions about a device often use 几伏 (jǐ fú, "how many volts") or 多少伏 (duōshao fú, "how many volts"), especially when discussing chargers and appliances.

Related words

  • 电压表diàn yā biǎovoltmeternoun

Word lists with this word