ammeter

IPA/ˈæmiːtə(r)/
KK[ˈæmˌitɚ]IPA/ˈæmiːtər/

ammeter — 名詞

  • ammetersingular
  • ammetersplural

1. a piece of equipment that shows how much electrical current is passing through a

1.名詞B2
釋義

安培計

測量電流強度的儀器

a piece of equipment that shows how much electrical current is passing through a wire or circuit, with the result given in amps or amperes.

例句

Bilal watched the needle on the ammeter as he slowly turned up the power dial.

Bilal 一邊慢慢調高功率旋鈕，一邊看著安培計上的指針。

ammeter + needle: analog display reading

The physics teacher connected the ammeter in series so current would flow through it.

物理老師將安培計串聯在電路中，讓電流通過它。

connected in series — correct wiring for an ammeter

常見搭配
  • connect an ammeter
  • read an ammeter
  • ammeter reading
  • ammeter needle
  • ammeter display
同義詞
  • current meter

    less common; can also refer to water-flow meters in non-electrical contexts

反義詞
  • voltmeter

    measures voltage (electric potential difference) instead of current

常見錯誤

I measured the voltage with an ammeter.
I measured the current with an ammeter.
An ammeter measures current (flow of electrons), not voltage (electric pressure). Use a voltmeter for voltage.
She connected the ammeter across the battery terminals.
She connected the ammeter in series with the battery.
An ammeter must be wired in series (in the path of the current), not in parallel across terminals, or it may be damaged.

同根字

  • amp
    名詞B1
  • ampere
    名詞B2
  • amperage
    名詞C1
  • voltmeter
    名詞B2
  • multimeter
    名詞C1

常見搭配

名詞搭配

常用片語

  • in series with
  • connected to