变阻器

The rheostat was used to control the intensity of the light in the laboratory.
在实验室中, 电阻箱用于控制光线强度。
The rheostat in the electrical circuit allowed for variable resistance.
电路中的电阻箱允许设置可变电阻。
The technician adjusted the rheostat to reduce the power consumption of the device.
技术人员调整了电阻箱以降低设备的功率消耗。
In the old radio, the rheostat was used to fine-tune the sound quality.
在老式收音机中, 电阻箱用于精细调整音质。
The rheostat was crucial in the experiment for measuring electrical conductivity.
电阻箱对于测量电导率的实验至关重要。
The rheostat helped to regulate the flow of electricity in the generator.
电阻箱帮助调节发电机中的电流流速。
For the safety test, they used a rheostat to ensure the equipment didn't exceed safe voltage levels.
为了安全测试, 他们使用电阻箱确保设备不超过安全电压水平。
The engineers decided to replace the rheostat with a more modern component for better precision.
工程师决定用更现代的组件替换电阻箱以提高精度。
When setting up the electrical circuit, the electrician carefully chose the appropriate rheostat value.
在搭建电路时,电工仔细选择了合适的电阻箱值。
The rheostat played a significant role in the experiment by controlling the amount of current passing through the circuit.
电阻箱在实验中扮演着重要角色，通过控制通过电路的电流量。