noun 下载 🔗分享 电位器, 分压器 A user-adjustable 3 terminal variable resistor that can be used as a voltage divider. Examples : "The volume knob on the radio is a potentiometer that lets you adjust the voltage going to the speaker, making the sound louder or softer. " 收音机上的音量旋钮是一个电位器 (potentiometer)，它可以让你调节输送到扬声器的电压，从而控制声音的大小。 electronics device technical 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 分压计，电位器。 An instrument that measures a voltage by opposing it with a precise fraction of a known voltage, and without drawing current from the unknown source. Examples : "The student used a potentiometer in the physics lab to accurately measure the voltage of the battery without draining its power. " 这位学生在物理实验室使用分压计（电位器）精确地测量了电池的电压，而且没有消耗电池的电量。 electronics device technical physics machine 与AI对话词汇游戏阅读练习
