moving magnet voltmeter

简明释义

动磁铁式电压表

英英释义

例句

1.The technician calibrated the moving magnet voltmeter before taking any measurements.

技术员在进行任何测量之前对动圈电压表进行了校准。

2.We used a moving magnet voltmeter to measure the voltage across the circuit.

我们使用了一个动圈电压表来测量电路的电压。

3.The moving magnet voltmeter showed a steady reading of 12 volts.

该动圈电压表显示出稳定的12伏特读数。

4.When troubleshooting, I often rely on my moving magnet voltmeter for quick readings.

在故障排除时，我常常依赖我的动圈电压表进行快速读数。

5.A moving magnet voltmeter is essential for accurately measuring DC voltage.

一个动圈电压表对于准确测量直流电压是必不可少的。

作文

The field of electrical measurement has advanced significantly over the years, leading to the development of various instruments that provide accurate readings of electrical quantities. One such instrument is the moving magnet voltmeter, which is widely used in laboratories and industries for measuring voltage. Understanding how this device works and its applications can greatly enhance our knowledge of electrical engineering.A moving magnet voltmeter operates on the principle of electromagnetic induction. It consists of a coil of wire suspended in a magnetic field created by a permanent magnet. When an electric voltage is applied across the coil, it generates a current that interacts with the magnetic field. This interaction produces a torque that causes the coil to rotate. The angle of rotation is proportional to the voltage being measured, and this is indicated on a calibrated scale.One of the key advantages of the moving magnet voltmeter is its simplicity and ease of use. Unlike digital voltmeters, which require batteries and electronic components, this device relies solely on mechanical movement. This makes it particularly useful in situations where electronic devices may fail or be impractical. Additionally, it offers a linear scale, allowing for straightforward readings without the need for complex calculations.In terms of accuracy, the moving magnet voltmeter is generally reliable for measuring direct current (DC) voltages. However, it can also be adapted for alternating current (AC) measurements with the help of additional circuitry. This versatility makes it a valuable tool for electricians, engineers, and technicians working in various fields.Despite its many benefits, the moving magnet voltmeter does have some limitations. For instance, it can be less accurate at very low voltage levels due to the inherent resistance and other factors affecting the coil's performance. Moreover, the mechanical components may wear over time, leading to potential inaccuracies if not properly maintained.In conclusion, the moving magnet voltmeter is an essential instrument in the realm of electrical measurement. Its straightforward design, coupled with its ability to provide reliable voltage readings, makes it a staple in both educational and professional settings. As technology continues to evolve, understanding traditional instruments like the moving magnet voltmeter remains crucial for anyone interested in the field of electrical engineering. By mastering the principles behind this device, individuals can gain deeper insights into the nature of electricity and its measurement, paving the way for further exploration and innovation in the discipline.

电气测量领域近年来取得了显著进展，导致各种仪器的开发，这些仪器提供准确的电量读数。其中一种仪器是移动磁铁电压表，它在实验室和工业中广泛用于测量电压。了解该设备的工作原理及其应用可以大大增强我们对电气工程的理解。移动磁铁电压表基于电磁感应原理工作。它由一圈悬挂在永久磁体产生的磁场中的导线组成。当电压施加到线圈上时，它会产生与磁场相互作用的电流。这种相互作用产生的扭矩使线圈旋转。旋转角度与被测电压成正比，并在标定的刻度上指示。移动磁铁电压表的一个主要优点是其简单易用。与需要电池和电子元件的数字电压表不同，该设备完全依赖机械运动。这使得它在电子设备可能故障或不实用的情况下特别有用。此外，它提供线性刻度，使得读取变得简单，无需复杂的计算。在准确性方面，移动磁铁电压表通常对于测量直流（DC）电压是可靠的。然而，通过额外的电路，它也可以适应交流（AC）测量。这种多功能性使其成为电工、工程师和技术人员在各个领域工作的宝贵工具。尽管有许多好处，移动磁铁电压表确实存在一些局限性。例如，由于线圈性能受固有电阻和其他因素的影响，在非常低的电压水平下，它可能不够准确。此外，机械组件可能会随时间磨损，如果不适当维护，可能会导致潜在的不准确性。总之，移动磁铁电压表是电气测量领域的重要仪器。其简洁的设计，加上提供可靠电压读数的能力，使其成为教育和专业环境中的主力军。随着科技的不断发展，理解像移动磁铁电压表这样的传统仪器仍然对任何对电气工程感兴趣的人至关重要。通过掌握该设备背后的原理，个人可以更深入地了解电的性质及其测量，为进一步探索和创新铺平道路。