goldleaf electroscope

简明释义

金箔验电器

英英释义

例句

1.The teacher demonstrated static electricity using a goldleaf electroscope (金箔电测器) in front of the class.

老师在班级前面演示了静电，使用了一个金箔电测器。

2.The goldleaf electroscope (金箔电测器) is a simple device that helps visualize electric charge.

金箔电测器是一个简单的设备，可以帮助可视化电荷。

3.Students learned about conductors and insulators by experimenting with a goldleaf electroscope (金箔电测器).

学生们通过实验一个金箔电测器学习导体和绝缘体的知识。

4.To test if an object is charged, you can bring it near a goldleaf electroscope (金箔电测器) and observe the leaves.

要测试一个物体是否带电，可以将其靠近一个金箔电测器，观察叶片的变化。

5.When a negatively charged rod is brought close to the goldleaf electroscope (金箔电测器), the leaves diverge.

当一个带负电的棒子靠近金箔电测器时，叶片会分开。

作文

The goldleaf electroscope is a fascinating instrument used in the study of electrostatics. It serves as a simple yet effective device for detecting electric charge. The design of the goldleaf electroscope is quite straightforward, consisting of a metal rod connected to two thin leaves of gold. These leaves hang freely and are enclosed in a glass container to prevent air currents from affecting their movement. When an electrically charged object comes near the metal rod, it induces a charge in the rod, causing the gold leaves to diverge due to the like charges repelling each other. This observable movement provides a clear indication of the presence of electric charge.One of the key principles behind the operation of the goldleaf electroscope is the concept of electrostatic induction. When a charged object is brought close to the electroscope, electrons within the metal rod redistribute themselves. If the object is positively charged, electrons from the leaves will move up the rod to the object, leaving the leaves with a positive charge. Conversely, if the object is negatively charged, electrons will be attracted from the rod into the object, also resulting in a divergence of the leaves. This principle not only demonstrates the effects of static electricity but also allows students and enthusiasts to visualize the otherwise invisible forces at play.The goldleaf electroscope has historical significance as well. It was one of the first devices used to study electricity in the 18th century, during a time when scientists were just beginning to understand the nature of electric charge. Figures such as Benjamin Franklin and Michael Faraday utilized similar devices to conduct experiments that laid the groundwork for modern electrical science. The simplicity of the goldleaf electroscope makes it an excellent educational tool, often found in physics classrooms around the world.In addition to its educational value, the goldleaf electroscope has practical applications in various fields. For instance, it can be used to demonstrate the principles of charging by contact or induction. It also serves as a basic tool for detecting static electricity, which can be useful in industries where static discharge can damage sensitive electronic components. Furthermore, understanding how the goldleaf electroscope operates enhances one's comprehension of more complex electrical phenomena, bridging the gap between basic concepts and advanced theories.In conclusion, the goldleaf electroscope is not just a relic of scientific history; it is a valuable instrument that continues to educate and inspire. Its ability to visually demonstrate the principles of electrostatics makes it an essential tool for anyone interested in the field of physics. By studying the goldleaf electroscope, we gain insight into the fundamental nature of electric charge and the forces that govern our universe. This knowledge is not only intellectually enriching but also forms the basis for countless technological advancements in our modern world.

金叶电探测器是一种用于研究静电学的迷人仪器。它作为一种简单而有效的设备，用于检测电荷。金叶电探测器的设计相当简单，由一根金属杆和两片悬挂自由的金叶组成，这些金叶连接在一起，并被玻璃容器封闭，以防止空气流动影响它们的运动。当带电物体靠近金属杆时，它会在杆中感应出电荷，导致金叶因同种电荷相互排斥而分开。这种可观察的运动清楚地表明了电荷的存在。金叶电探测器操作的关键原理是静电感应的概念。当带电物体靠近电探测器时，金属杆中的电子重新分布。如果物体带正电，金叶中的电子将向上移动到杆上，与物体结合，导致金叶带有正电荷。反之，如果物体带负电，电子将从杆上吸引到物体上，同样导致金叶的分离。这个原理不仅展示了静电的效果，还使学生和爱好者能够可视化这些无形的力量。金叶电探测器也具有历史意义。它是18世纪研究电力的第一批设备之一，当时科学家们刚开始理解电荷的性质。像本杰明·富兰克林和迈克尔·法拉第等人物利用类似的设备进行实验，为现代电气科学奠定了基础。金叶电探测器的简单性使其成为一个优秀的教育工具，常见于世界各地的物理课堂。除了教育价值外，金叶电探测器在各个领域也有实际应用。例如，它可以用来演示接触或感应充电的原理。它也是检测静电的基本工具，这在静电放电可能损坏敏感电子元件的行业中非常有用。此外，了解金叶电探测器的工作原理增强了人们对更复杂电现象的理解，弥合了基本概念与高级理论之间的差距。总之，金叶电探测器不仅仅是科学历史的遗物；它是一种有价值的仪器，继续教育和激励着人们。它能够直观地展示静电学的原理，使其成为任何对物理领域感兴趣的人必不可少的工具。通过研究金叶电探测器，我们获得了对电荷的基本性质和支配我们宇宙的力量的深入了解。这种知识不仅在智力上丰富，而且为我们现代世界中的无数技术进步奠定了基础。