direct-current bridge

简明释义

直流电桥

英英释义

例句

1.We demonstrated how to use a direct-current bridge during the workshop on electrical measurements.

在电气测量的研讨会上，我们演示了如何使用直流电桥。

2.Understanding the principles behind a direct-current bridge is essential for electrical engineering students.

理解直流电桥背后的原理对于电气工程学生至关重要。

3.The technician used a direct-current bridge to measure the resistance of the circuit accurately.

技术员使用直流电桥准确测量电路的电阻。

4.In our laboratory, we often rely on a direct-current bridge for precise voltage measurements.

在我们的实验室，我们常常依赖直流电桥进行精确的电压测量。

5.To calibrate the equipment, the engineer connected a direct-current bridge to the power supply.

为了校准设备，工程师将直流电桥连接到电源上。

作文

The concept of a direct-current bridge is essential in the field of electrical engineering, particularly when it comes to measuring resistances accurately. A direct-current bridge is a type of circuit that allows for the comparison of an unknown resistance with a known reference resistance. This method of measurement is crucial because it minimizes errors that can arise from other forms of resistance measurement. The direct-current bridge operates on the principle of balance, where the unknown resistance is adjusted until the bridge circuit reaches a state of equilibrium. At this point, the voltage across the bridge is zero, indicating that the ratio of the known resistances is equal to the ratio of the unknown resistance.In practical applications, the direct-current bridge is often used in laboratories and industrial settings to ensure that components meet specific resistance criteria. For example, when manufacturing electronic devices, it is vital to verify that the resistors used are of the correct value to ensure proper functionality. The direct-current bridge provides a reliable means of achieving this verification, as it can detect even minor deviations in resistance.Moreover, the design of a direct-current bridge can vary depending on the specific application. Some bridges may include additional features such as temperature compensation to account for changes in resistance due to thermal effects. This adaptability makes the direct-current bridge a versatile tool in various fields, including telecommunications, automotive, and consumer electronics.Understanding how to use a direct-current bridge effectively requires a solid grasp of circuit theory and the characteristics of electrical components. Users must be familiar with Ohm's law, which relates voltage, current, and resistance, as well as Kirchhoff's laws, which govern the behavior of electrical circuits. By applying these principles, engineers can set up a direct-current bridge correctly and interpret its readings accurately.In conclusion, the direct-current bridge is a fundamental instrument in electrical engineering that facilitates precise resistance measurements. Its ability to minimize errors and adapt to various conditions makes it indispensable in both research and industry. As technology continues to evolve, the importance of accurate measurements in electrical engineering will only increase, further solidifying the role of the direct-current bridge in modern applications. Understanding and mastering the use of a direct-current bridge is not just beneficial but essential for anyone working in the field of electronics and electrical engineering.

直流电桥的概念在电气工程领域中至关重要，特别是在准确测量电阻时。直流电桥是一种电路，允许将未知电阻与已知参考电阻进行比较。这种测量方法至关重要，因为它最小化了其他电阻测量可能出现的误差。直流电桥基于平衡原理工作，未知电阻被调整，直到电桥电路达到平衡状态。在这一点上，电桥两端的电压为零，表明已知电阻的比例等于未知电阻的比例。在实际应用中，直流电桥通常用于实验室和工业环境中，以确保组件符合特定的电阻标准。例如，在制造电子设备时，验证所用电阻器的正确值以确保正常功能是至关重要的。直流电桥提供了一种可靠的手段来实现这一验证，因为它可以检测到电阻的微小偏差。此外，直流电桥的设计可能会根据特定应用而有所不同。一些电桥可能包括额外的功能，例如温度补偿，以考虑由于热效应引起的电阻变化。这种适应性使得直流电桥成为各种领域（包括电信、汽车和消费电子）的多功能工具。有效理解如何使用直流电桥需要对电路理论和电气元件的特性有扎实的掌握。用户必须熟悉欧姆定律，该定律描述了电压、电流和电阻之间的关系，以及基尔霍夫定律，这些定律支配着电路的行为。通过应用这些原理，工程师可以正确设置直流电桥并准确解释其读数。总之，直流电桥是电气工程中的基本仪器，可以促进精确的电阻测量。它最小化误差和适应各种条件的能力使其在研究和工业中不可或缺。随着技术的不断发展，电气工程中准确测量的重要性只会增加，从而进一步巩固直流电桥在现代应用中的角色。理解和掌握直流电桥的使用不仅有益，而且对于任何在电子和电气工程领域工作的人来说都是必不可少的。