differential galvanometer

简明释义

差动电流计

英英释义

例句

1.The engineer used a differential galvanometer to measure the small current differences in the circuit.

工程师使用差动电流计测量电路中的微小电流差异。

2.The physicist explained the working principle of a differential galvanometer to the class.

物理学家向班级解释了差动电流计的工作原理。

3.A differential galvanometer is essential for detecting very low voltage signals.

一台差动电流计对于检测非常低的电压信号是必不可少的。

4.We used a differential galvanometer to compare the outputs of two different sensors.

我们使用差动电流计比较两个不同传感器的输出。

5.In the laboratory, the students learned how to calibrate a differential galvanometer for their experiments.

在实验室里，学生们学习如何为他们的实验校准差动电流计。

作文

In the field of electrical engineering and physics, precise measurements are crucial for experiments and applications. One instrument that plays a significant role in obtaining accurate measurements is the differential galvanometer. This device is designed to measure small differences in electric current, making it an essential tool for various scientific investigations. The differential galvanometer (差动电流计) operates on the principle of comparing two currents, which allows it to detect minute variations that might go unnoticed by other measuring instruments.The construction of a differential galvanometer typically involves a coil 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. The resulting torque causes the coil to rotate, and this rotation is proportional to the strength of the current flowing through it. By introducing two separate current paths into the device, the differential galvanometer can compare the currents and indicate their difference on a calibrated scale.One of the primary advantages of using a differential galvanometer is its high sensitivity. This sensitivity makes it particularly useful in applications such as laboratory experiments, where researchers need to measure very small currents accurately. For example, in electrochemical studies, the differential galvanometer can help scientists understand the behavior of reactions at the electrode surface by providing precise current measurements.Moreover, the differential galvanometer has found its place in various educational settings. Students learning about electricity and magnetism can benefit from hands-on experience with this device. It allows them to visualize the relationship between current and magnetic fields, reinforcing theoretical concepts learned in the classroom. Understanding how to operate a differential galvanometer also cultivates practical skills in measurement and analysis that are valuable in scientific careers.However, like any instrument, the differential galvanometer has its limitations. It requires careful calibration and setup to ensure accurate readings. Environmental factors such as temperature fluctuations and external magnetic fields can also affect its performance. Therefore, users must be aware of these variables and take necessary precautions during experiments.In conclusion, the differential galvanometer (差动电流计) is an indispensable tool in the realm of electrical measurements. Its ability to detect small differences in current makes it invaluable in both research and educational contexts. As technology continues to advance, the principles behind the differential galvanometer remain relevant, reminding us of the importance of precision in scientific inquiry. Whether used in a laboratory or a classroom, this device exemplifies the intersection of theory and practice, enabling deeper understanding and exploration of the electrical phenomena that shape our world.

在电气工程和物理学领域，精确的测量对于实验和应用至关重要。一个在获得准确测量方面起着重要作用的仪器是差动电流计。该设备旨在测量微小的电流差异，使其成为各种科学研究的重要工具。差动电流计（differential galvanometer）基于比较两种电流的原理，能够检测到其他测量仪器可能无法察觉的微小变化。差动电流计的结构通常涉及一个悬挂在磁场中的线圈。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。由此产生的扭矩使线圈旋转，这种旋转与流经线圈的电流强度成正比。通过将两个独立的电流路径引入设备，差动电流计能够比较电流并在标定的刻度上指示它们的差异。使用差动电流计的主要优势之一是其高灵敏度。这种灵敏度使其在实验室实验等应用中特别有用，研究人员需要准确测量非常小的电流。例如，在电化学研究中，差动电流计可以帮助科学家了解电极表面反应的行为，通过提供精确的电流测量。此外，差动电流计在各种教育环境中也找到了自己的位置。学习电和磁的学生可以从与该设备的实际操作中受益。它使他们能够可视化电流和磁场之间的关系，强化课堂上学习的理论概念。理解如何操作差动电流计还培养了在测量和分析方面的实用技能，这在科学职业中是非常有价值的。然而，像任何仪器一样，差动电流计也有其局限性。它需要仔细校准和设置以确保准确读数。温度波动和外部磁场等环境因素也可能影响其性能。因此，用户必须意识到这些变量，并在实验过程中采取必要的预防措施。总之，差动电流计（differential galvanometer）是电气测量领域中不可或缺的工具。它检测电流微小差异的能力使其在研究和教育背景中都具有重要价值。随着技术的不断进步，差动电流计背后的原理仍然相关，提醒我们在科学探究中精确性的重要性。无论是在实验室还是教室中，这个设备都体现了理论与实践的交汇，使我们能够更深入地理解和探索塑造我们世界的电气现象。