circular galvanometer

简明释义

圆形电流计

英英释义

例句

1.He explained how the circular galvanometer operates using a magnetic field.

他解释了圆形电流计是如何利用磁场运作的。

2.The circular galvanometer is essential for demonstrating electromagnetic principles.

圆形电流计对于演示电磁原理至关重要。

3.In our physics lab, we used a circular galvanometer to measure the current flowing through the circuit.

在我们的物理实验室中，我们使用圆形电流计来测量电路中的电流。

4.To visualize the electric current, we connected the circular galvanometer to the battery.

为了可视化电流，我们将圆形电流计连接到电池上。

5.The technician calibrated the circular galvanometer to ensure accurate readings.

技术员校准了圆形电流计以确保读数准确。

作文

The study of electricity and magnetism has led to numerous inventions that have significantly impacted our daily lives. One such invention is the circular galvanometer, which plays a crucial role in measuring electric current. Understanding how a circular galvanometer works can provide insights into both the principles of electromagnetism and its practical applications in modern technology.A circular galvanometer is an instrument used to detect and measure small electric currents. It consists of a coil of wire mounted on a pivot, which is placed within a magnetic field. When an electric current passes through the coil, it generates a magnetic field that interacts with the external magnetic field. This interaction causes the coil to rotate, and the degree of rotation is proportional to the amount of current flowing through the coil. The angle of rotation can be read on a scale, allowing for precise measurements.The design of the circular galvanometer is not only functional but also elegant. The circular shape of the device allows for a uniform magnetic field, which enhances the accuracy of the measurements. Additionally, the use of a pivot ensures that the coil can move freely, minimizing friction and improving responsiveness. These features make the circular galvanometer a reliable tool for scientists and engineers alike.In practical applications, circular galvanometers are utilized in various fields, including physics laboratories, electrical engineering, and even in some medical devices. For instance, they are often used in laboratory experiments to demonstrate the principles of electromagnetism. By connecting a circular galvanometer to a circuit, students can visualize the relationship between current and magnetic fields, deepening their understanding of these fundamental concepts.Moreover, in electrical engineering, circular galvanometers are employed to calibrate instruments and to ensure the accuracy of current measurements. They serve as a reference point for other measuring devices, helping to maintain consistency and reliability in electrical systems. In the medical field, similar devices are used in electrocardiograms (ECGs) to monitor heart activity by measuring the electrical impulses generated by the heart.Despite advancements in technology, the circular galvanometer remains relevant today. Digital multimeters and oscilloscopes may offer more advanced features, but the simplicity and effectiveness of the circular galvanometer make it an enduring tool in education and research. Its ability to provide immediate visual feedback about electric current makes it an invaluable resource for learning and experimentation.In conclusion, the circular galvanometer is a remarkable instrument that exemplifies the principles of electromagnetism while serving practical purposes across various fields. Its design facilitates accurate measurements of electric current, making it essential for both educational and professional applications. Understanding the workings of a circular galvanometer not only enhances our grasp of electrical phenomena but also highlights the importance of precise measurement in the advancement of technology and science. As we continue to explore the realms of electricity and magnetism, the circular galvanometer will undoubtedly remain a key player in our quest for knowledge and innovation.

电和磁的研究导致了许多对我们日常生活产生重大影响的发明。其中一个发明是圆形电流计，它在测量电流中发挥着至关重要的作用。理解圆形电流计的工作原理可以为我们提供关于电磁学原理及其在现代技术中的实际应用的见解。圆形电流计是一种用于检测和测量小电流的仪器。它由一圈线圈组成，安装在一个支点上，放置在一个磁场中。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。这种相互作用使线圈旋转，旋转的角度与流过线圈的电流量成正比。旋转的角度可以在刻度上读取，从而允许精确的测量。圆形电流计的设计不仅功能性强，而且优雅。设备的圆形形状允许均匀的磁场，这提高了测量的准确性。此外，使用支点确保线圈可以自由移动，最小化摩擦并提高响应性。这些特点使得圆形电流计成为科学家和工程师的可靠工具。在实际应用中，圆形电流计被广泛应用于物理实验室、电气工程，甚至一些医疗设备。例如，它们通常用于实验室实验，以演示电磁学原理。通过将圆形电流计连接到电路，学生可以可视化电流与磁场之间的关系，加深对这些基本概念的理解。此外，在电气工程中，圆形电流计用于校准仪器，并确保电流测量的准确性。它们作为其他测量设备的参考点，帮助保持电气系统的一致性和可靠性。在医疗领域，类似的设备被用于心电图（ECG）中，通过测量心脏产生的电信号来监测心脏活动。尽管科技不断进步，但圆形电流计至今仍然具有相关性。数字万用表和示波器可能提供更先进的功能，但圆形电流计的简单性和有效性使其在教育和研究中成为一种持久的工具。它能够提供关于电流的即时视觉反馈，使其成为学习和实验中不可或缺的资源。总之，圆形电流计是一种出色的仪器，体现了电磁学原理，同时在各个领域提供实际用途。它的设计促进了电流的准确测量，使其在教育和专业应用中至关重要。理解圆形电流计的工作原理不仅增强了我们对电现象的理解，还突显了在技术和科学进步中精确测量的重要性。在我们继续探索电和磁的领域时，圆形电流计无疑将在我们追求知识和创新的过程中继续发挥关键作用。