n.电势差计，电位器，分压器

A potentiometer is used to adjust the volume control on a stereo system.
电位器被用于调整立体声音响系统的音量。
The resistance of a potentiometer varies linearly with the position of its sliding contact.
电位器的电阻与其滑动触点的位置线性变化。
The potentiometer in this experiment helps us measure voltage gradients.
实验中的电位器帮助我们测量电压梯度。
The potentiometer is an essential component in many electronic circuits for controlling signal strength.
在许多电子电路中，电位器是控制信号强度的关键部件。
I need to calibrate the potentiometer for optimal instrument tuning.
我需要校准电位器以达到最佳乐器调音。
The engineer fine-tuned the potentiometer to achieve the desired frequency response.
工程师精细调整了电位器以获得所需的频率响应。
The potentiometer in a light dimmer switch controls the brightness of the lamp.
照明调节开关中的电位器控制灯泡的亮度。
The analog-to-digital converter (ADC) reads the voltage from the potentiometer to digital values.
模拟到数字转换器（ADC）读取电位器上的电压并转换为数字值。
The technician adjusted the potentiometer to minimize noise in the audio signal.
技术员调整电位器以最小化音频信号中的噪声。
In a DIY project, hobbyists often use a rheostat, which is a specialized type of potentiometer, to control LED brightness.
在DIY项目中，业余爱好者经常使用可变电阻器（一种特殊的电位器）来控制LED的亮度。