volt

volt — noun

1. a volt is the basic measure of how much electrical force pushes current through

1.名詞B2
釋義

a volt is the basic measure of how much electrical force pushes current through a wire or conductor — for example, a car battery supplies 12 volts to start the engine, and a typical household socket in Taiwan delivers 110 volts.

例句

Sora's flashlight needs a 3-volt battery to produce a bright beam.

attributive: [number]-volt + noun

The volt reading on Gabriel's meter showed that the circuit was dead.

collocation: volt reading

文法句型

[number] + volt(s)

[number] + -volt + noun

用法筆記

The symbol for volt is V. When the unit appears before a noun as a compound adjective, use a hyphen and the singular form (a 12-volt system, a 9-volt battery). The plural form (volts) is used after numbers when standing alone: 'The battery supplies 9 volts.'

常見錯誤

❌This battery has high amps.
✅This battery has high voltage.
💡Amps measure current flow; volts measure electrical potential or force.
❌The outlet provides 110 voltages.
✅The outlet provides 110 volts.
💡The word 'voltage' means the measurement, but when stating a specific number, use 'volts' (the unit).