ohmic bridge

简明释义

电阻电桥

英英释义

例句

1.The ohmic bridge is essential for calibrating the sensors in our devices.

在我们设备中，欧姆桥对于校准传感器至关重要。

2.To determine the unknown resistance, we set up an ohmic bridge with known values.

为了确定未知电阻，我们用已知值搭建了一个欧姆桥。

3.Using an ohmic bridge can help reduce errors in resistance measurements.

使用欧姆桥可以帮助减少电阻测量中的误差。

4.In our lab, we often rely on an ohmic bridge for precise electrical measurements.

在我们的实验室，我们常常依赖欧姆桥进行精确的电气测量。

5.The engineer used an ohmic bridge to measure the resistance of the circuit accurately.

工程师使用欧姆桥来准确测量电路的电阻。

作文

The concept of an ohmic bridge plays a significant role in the field of electrical engineering and physics. An ohmic bridge is a device used to measure the resistance of an unknown resistor by balancing two legs of a bridge circuit. This method is particularly useful because it allows for accurate measurements without the need for direct current flowing through the unknown component, thus minimizing the potential for errors due to heating or other factors.To understand how an ohmic bridge works, let us first consider its basic structure. The most common form of an ohmic bridge is the Wheatstone bridge, which consists of four resistors arranged in a diamond shape with a voltage source connected across one diagonal and a galvanometer across the other. When the bridge is balanced, the ratio of the known resistances is equal to the ratio of the unknown resistance, allowing for precise calculations.The practical applications of an ohmic bridge are numerous. In laboratories, scientists frequently use this device to determine the resistance of materials, which is crucial for various experiments and research. Additionally, industries rely on ohmic bridges for quality control, ensuring that components meet specified resistance standards before they are used in larger assemblies.Moreover, the ohmic bridge can be employed in educational settings to teach students about electrical circuits and resistance measurements. By engaging with the ohmic bridge, students can gain hands-on experience in understanding the principles of electricity and how resistance affects circuit behavior.However, it is essential to note the limitations of the ohmic bridge. For instance, the accuracy of the measurement heavily depends on the precision of the known resistors used in the bridge. Any variation in their values can lead to discrepancies in the calculated resistance of the unknown resistor. Additionally, external factors such as temperature fluctuations and contact resistance can also affect the results.In conclusion, the ohmic bridge is a vital tool in the realm of electrical measurements. Its ability to provide accurate readings of resistance makes it indispensable in both laboratory and industrial applications. Understanding the workings and implications of an ohmic bridge not only enhances our grasp of electrical engineering concepts but also equips us with the skills necessary for practical problem-solving in the field. As technology continues to evolve, the ohmic bridge will undoubtedly remain a cornerstone in the study and application of electrical principles.

“欧姆桥”的概念在电气工程和物理学领域中扮演着重要角色。“欧姆桥”是一种用于通过平衡桥电路的两个支路来测量未知电阻的设备。这种方法特别有用，因为它允许在不需要直接电流流经未知元件的情况下进行精确测量，从而最小化由于加热或其他因素造成的潜在误差。要理解“欧姆桥”的工作原理，我们首先考虑其基本结构。最常见的“欧姆桥”形式是惠斯登桥，它由四个电阻器以菱形形状排列，电压源连接在一个对角线上，而电流计连接在另一个对角线上。当桥达到平衡时，已知电阻的比例与未知电阻的比例相等，从而允许进行精确计算。“欧姆桥”的实际应用非常广泛。在实验室中，科学家们经常使用这种设备来确定材料的电阻，这对于各种实验和研究至关重要。此外，工业界依赖“欧姆桥”进行质量控制，以确保组件在用于更大组件之前符合规定的电阻标准。此外，“欧姆桥”还可以在教育环境中使用，以教导学生关于电路和电阻测量的知识。通过参与“欧姆桥”，学生可以获得动手经验，理解电力原理以及电阻如何影响电路行为。然而，必须注意“欧姆桥”的局限性。例如，测量的准确性在很大程度上依赖于桥中使用的已知电阻的精度。它们值的任何变化都可能导致计算出的未知电阻出现差异。此外，温度波动和接触电阻等外部因素也会影响结果。总之，“欧姆桥”是电气测量领域的重要工具。它提供准确的电阻读数的能力使其在实验室和工业应用中不可或缺。理解“欧姆桥”的工作原理及其含义不仅增强了我们对电气工程概念的掌握，而且使我们具备了在该领域解决实际问题所需的技能。随着技术的不断发展，“欧姆桥”无疑将继续成为电气原理研究和应用的基石。