capacitor

IPA/kəˈpæsɪtə(r)/
KK[kəpˈæsətɚ]IPA/kəˈpæsɪtər/

capacitor — noun

  • capacitorsingular
  • capacitorsplural

1. A part inside an electronic circuit that holds a small amount of electrical ener

1.名詞B2
釋義

A part inside an electronic circuit that holds a small amount of electrical energy and releases it in a controlled way to help keep the flow of power steady.

例句

Jude replaced the broken capacitor in his amplifier to stop the buzzing noise.

replace + capacitor — common repair collocation

A capacitor stores electrical energy and releases it to keep the circuit working smoothly.

stores + releases — charge-discharge cycle

同義詞
  • condenser

    An older term for the same part, still used in some automotive and vintage electronics contexts, but rarely found in modern electronics.

文法句型

charge/discharge a capacitor

replace a capacitor

capacitor in/on [circuit board, device]

用法筆記

Mainly used in electronics and engineering contexts. The older name condenser is now rare except in some car ignition systems and vintage equipment manuals.

常見錯誤

❌A capacitor blocks electricity from flowing in a circuit.
✅A capacitor stores electricity and releases it when needed.
💡A capacitor does not block current; it temporarily holds and releases charge.
❌A capacitor works the same way as a battery.
✅A capacitor stores a small amount of energy for a short time, while a battery stores much more energy for much longer.
💡Batteries and capacitors serve different roles in circuits.