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Inductor

释义 Definition

电感器；电感线圈：一种被动电子元件，通常由线圈构成，用来在磁场中储存能量，并阻碍电流变化（对交流或快速变化的电流呈现更大阻抗）。常见于滤波、电源转换、谐振电路等。（该词在物理学中也可泛指“感应器/诱导物”，但最常见为电子元件义。）

发音 Pronunciation (IPA)

/ndktr/

例句 Examples

An inductor stores energy in a magnetic field.
电感器把能量储存在磁场中。

The engineer added an inductor to the circuit to reduce noise and smooth the current ripple.
工程师在电路中加入电感器，以降低噪声并平滑电流纹波。

词源 Etymology

inductor 来自拉丁语词根 ducere（“引导、带领”），经由英语 induce（“引起、诱导”）发展而来。之所以叫“电感器”，是因为它通过电磁感应“引起/诱导”电压变化，从而影响电流的变化速度。

相关词 Related Words

文学作品 Literary Works

The Art of Electronics（Horowitz & Hill）
The Feynman Lectures on Physics（Richard P. Feynman 等）
Introduction to Electrodynamics（David J. Griffiths）

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