torsion galvanometer

简明释义

扭转电疗

英英释义

A torsion galvanometer is an electrical instrument used to measure small electric currents by detecting the torsional displacement of a suspended coil in a magnetic field.

扭转电流计是一种电气仪器,用于通过检测悬挂线圈在磁场中的扭转位移来测量微小电流。

例句

1.To calibrate the torsion galvanometer, we adjusted the torsion wire carefully.

为了校准扭转电流计,我们小心地调整了扭转线。

2.The sensitivity of the torsion galvanometer allows it to detect even the slightest changes in current.

由于扭转电流计的灵敏度,它可以检测到电流的微小变化。

3.The physicist used a torsion galvanometer to measure the small currents in the experiment.

物理学家使用了一个扭转电流计来测量实验中的微小电流。

4.In the lab, the torsion galvanometer is essential for detecting weak magnetic fields.

在实验室中,扭转电流计对于检测微弱的磁场至关重要。

5.During the physics demonstration, the teacher explained how a torsion galvanometer works.

在物理演示中,老师解释了扭转电流计的工作原理。

作文

A torsion galvanometer is a highly sensitive instrument used to measure electric current. It operates on the principle of torsion, where a coil of wire is suspended in a magnetic field. When an electric current passes through the coil, it generates a magnetic field that interacts with the external magnetic field, causing the coil to rotate. This rotation is proportional to the amount of current flowing through the coil, allowing for precise measurements. The torsion galvanometer is particularly useful in laboratory settings where accurate readings are essential for experiments and research.One of the primary advantages of a torsion galvanometer is its sensitivity. Compared to other types of galvanometers, such as moving coil or moving magnet types, the torsion galvanometer can detect much smaller currents. This sensitivity makes it ideal for applications in physics and engineering, where detecting minute changes in current can lead to significant insights. Additionally, the design of the torsion galvanometer minimizes errors caused by external factors, such as vibrations or temperature changes, further enhancing its reliability.In practical applications, a torsion galvanometer can be employed in various fields, including telecommunications, medical diagnostics, and scientific research. For instance, in telecommunications, it can help in measuring the currents in circuits to ensure optimal performance. In medical diagnostics, it can be used in devices that require precise measurements of electrical signals, such as electrocardiograms (ECGs).Another important aspect of the torsion galvanometer is its calibration process. To ensure accurate readings, the instrument must be calibrated regularly. Calibration involves adjusting the device to account for any deviations that may occur over time due to wear and tear or environmental changes. This process is crucial, as even minor inaccuracies can lead to significant errors in measurement, which can affect the outcomes of experiments or the functionality of electronic devices.Moreover, the torsion galvanometer has educational significance as well. It is often used in physics classrooms to demonstrate the principles of electromagnetism and the relationship between electricity and magnetism. Students can observe firsthand how electric currents produce magnetic fields and how these fields can be manipulated for measurement purposes. This hands-on experience is invaluable in helping students grasp complex scientific concepts.In conclusion, the torsion galvanometer is an essential tool in both scientific research and education. Its high sensitivity and reliable performance make it suitable for various applications, while its role in teaching fundamental principles of physics cannot be overstated. As technology continues to advance, the torsion galvanometer will likely remain a vital instrument in understanding and harnessing the power of electricity. Understanding how this device works and its importance in various fields can greatly enhance one’s knowledge of electrical measurements and their applications in the modern world.

扭转电流计是一种用于测量电流的高灵敏度仪器。它的工作原理基于扭转的原理,其中一根电线圈悬挂在磁场中。当电流通过线圈时,它会产生一个与外部磁场相互作用的磁场,从而导致线圈旋转。这个旋转与流经线圈的电流量成正比,从而允许进行精确的测量。扭转电流计在实验室环境中尤其有用,因为准确的读数对于实验和研究至关重要。扭转电流计的主要优点之一是其灵敏度。与其他类型的电流计(如移动线圈或移动磁铁类型)相比,扭转电流计能够检测到更小的电流。这种灵敏度使其在物理学和工程学等领域中非常理想,因为检测微小的电流变化可以带来重要的见解。此外,扭转电流计的设计最小化了由外部因素(如振动或温度变化)引起的误差,从而进一步增强了其可靠性。在实际应用中,扭转电流计可以应用于多个领域,包括电信、医学诊断和科学研究。例如,在电信中,它可以帮助测量电路中的电流,以确保最佳性能。在医学诊断中,它可以用于需要精确电信号测量的设备,例如心电图(ECG)。扭转电流计的另一个重要方面是其校准过程。为了确保读数的准确性,仪器必须定期校准。校准涉及调整设备以考虑由于磨损或环境变化而可能发生的任何偏差。这个过程至关重要,因为即使是微小的不准确也可能导致测量中的重大错误,这可能影响实验结果或电子设备的功能。此外,扭转电流计在教育上也具有重要意义。它常用于物理课堂上,演示电磁学的原理以及电与磁之间的关系。学生们可以亲眼观察电流如何产生磁场,以及这些磁场如何被操作以进行测量。这种实践经验对帮助学生掌握复杂的科学概念是非常宝贵的。总之,扭转电流计是科学研究和教育中不可或缺的工具。它的高灵敏度和可靠性能使其适合各种应用,而它在教授物理基本原理方面的作用更是不可低估。随着技术的不断进步,扭转电流计可能仍将是理解和利用电力的重要仪器。了解该设备的工作原理及其在各个领域的重要性,可以极大地增强个人对电气测量及其在现代世界应用的认识。

相关单词

torsion

torsion详解:怎么读、什么意思、用法

galvanometer

galvanometer详解:怎么读、什么意思、用法