goldleaf electrometer

简明释义

金箔静电计

英英释义

例句

1.The goldleaf electrometer is sensitive enough to detect even small changes in voltage.

该金箔电计对电压的微小变化也十分敏感。

2.The physicist used a goldleaf electrometer to measure the electric charge on the object.

物理学家使用金箔电计来测量物体上的电荷。

3.In the laboratory, the students learned how to calibrate a goldleaf electrometer for accurate readings.

在实验室里，学生们学习如何校准金箔电计以获得准确的读数。

4.To demonstrate static electricity, the teacher used a goldleaf electrometer to show the attraction between charged objects.

为了演示静电，老师使用金箔电计展示带电物体之间的吸引力。

5.The goldleaf electrometer can be used in experiments involving electrostatics and capacitance.

该金箔电计可用于涉及静电和电容的实验中。

作文

The world of physics is filled with fascinating instruments that help us measure and understand various phenomena. One such instrument is the goldleaf electrometer, a device that plays a crucial role in the field of electrostatics. This remarkable tool allows scientists to measure electric charge with impressive precision. Understanding how the goldleaf electrometer works not only deepens our appreciation for scientific instruments but also enhances our knowledge of fundamental concepts in physics.At its core, the goldleaf electrometer consists of a few key components: a metal case, a glass or plastic tube, and two thin leaves made of gold. These leaves are suspended from a metal rod inside the case. When an electric charge is applied to the electrometer, one of the gold leaves begins to repel the other due to the like charges. This movement of the leaves is what allows us to quantify the amount of electric charge present.The operation of the goldleaf electrometer is based on the principles of electrostatic forces. When a charged object is brought near the metal case of the electrometer, it induces a separation of charges within the device. This leads to a situation where one leaf becomes positively charged and the other negatively charged. The repulsion between these two leaves causes them to diverge, and the degree of divergence can be measured on a scale, providing a direct indication of the strength of the electric charge.One of the significant advantages of the goldleaf electrometer is its sensitivity. It can detect even minute amounts of electric charge, making it an invaluable tool for researchers and educators alike. For instance, in laboratory experiments, scientists can use the electrometer to study the properties of different materials and their ability to hold or transfer electric charge. This information is essential in fields such as materials science and electrical engineering.In addition to its practical applications, the goldleaf electrometer also serves as an excellent educational tool. It provides students with a hands-on experience of electrostatics, allowing them to visualize the effects of electric charge in a tangible way. By observing the behavior of the gold leaves in response to different charges, students can better grasp the underlying principles of electricity and magnetism.Moreover, the goldleaf electrometer has historical significance as well. It was first invented in the 18th century and has undergone various improvements over the years. Its design and functionality have paved the way for the development of more advanced electrostatic measuring devices. Understanding the evolution of the goldleaf electrometer helps us appreciate the progress made in the field of physics and the continuous quest for knowledge.In conclusion, the goldleaf electrometer is not just an instrument; it is a gateway to understanding the fundamental principles of electricity. Its ability to measure electric charge with high sensitivity makes it a vital tool in both research and education. As we continue to explore the mysteries of the universe, instruments like the goldleaf electrometer will undoubtedly play a crucial role in our journey toward greater scientific understanding.

物理学的世界充满了迷人的仪器，这些仪器帮助我们测量和理解各种现象。其中一种仪器是金箔电计，它在静电学领域中发挥着至关重要的作用。这种卓越的工具使科学家能够以令人印象深刻的精度测量电荷。理解金箔电计的工作原理不仅加深了我们对科学仪器的欣赏，也增强了我们对物理基本概念的知识。从根本上讲，金箔电计由几个关键组件组成：一个金属外壳，一个玻璃或塑料管，以及两片薄薄的金叶。这些金叶悬挂在金属杆上，位于外壳内部。当施加电荷到电计时，其中一片金叶由于同种电荷的作用开始排斥另一片。这种金叶的运动使我们能够量化存在的电荷量。金箔电计的操作基于静电力的原理。当带电物体靠近电计的金属外壳时，它会在设备内部诱导出电荷分离。这导致一种情况，其中一片金叶带正电，而另一片带负电。这两片金叶之间的排斥导致它们分开，分开的程度可以在刻度上测量，从而直接指示电荷的强度。金箔电计的一个显著优点是其灵敏度。它可以检测到微小的电荷，使其成为研究人员和教育工作者的宝贵工具。例如，在实验室实验中，科学家可以使用电计研究不同材料的性质及其保持或转移电荷的能力。这些信息在材料科学和电气工程等领域至关重要。除了实际应用外，金箔电计还作为一种出色的教育工具。它为学生提供了静电学的动手体验，使他们能够以具体的方式可视化电荷的影响。通过观察金叶对不同电荷的反应，学生可以更好地掌握电和磁的基本原理。此外，金箔电计还有历史意义。它最早是在18世纪发明的，并经过多次改进。它的设计和功能为更先进的静电测量设备的发展铺平了道路。理解金箔电计的演变帮助我们欣赏物理学领域取得的进展以及对知识的持续追求。总之，金箔电计不仅仅是一种仪器；它是理解电的基本原理的一个入口。它以高灵敏度测量电荷的能力使其成为研究和教育中不可或缺的工具。在我们继续探索宇宙的奥秘时，像金箔电计这样的仪器无疑将在我们追求更大科学理解的旅程中发挥至关重要的作用。