sensitive galvanometer

简明释义

灵敏电流计

英英释义

例句

1.The scientist used a sensitive galvanometer to measure the tiny electric currents generated by the experiment.

科学家使用了一个灵敏的电流计来测量实验中产生的微小电流。

2.In the physics lab, the students learned how to calibrate a sensitive galvanometer for accurate readings.

在物理实验室，学生们学习如何校准一个灵敏的电流计以获得准确的读数。

3.Engineers rely on a sensitive galvanometer to troubleshoot electrical circuits.

工程师依赖于一个灵敏的电流计来排查电路故障。

4.During the experiment, the sensitive galvanometer indicated a fluctuation in current flow.

在实验过程中，灵敏的电流计显示出电流流动的波动。

5.The sensitive galvanometer is essential for detecting minute changes in electrical signals.

这个灵敏的电流计对于检测电信号的微小变化至关重要。

作文

In the world of electrical engineering and physics, measuring small electrical currents is crucial for various applications. One of the most effective tools for this purpose is the sensitive galvanometer, which is designed to detect and measure tiny amounts of current with high precision. The sensitive galvanometer (灵敏电流计) operates on the principle of electromagnetic induction, which allows it to respond to minute changes in current flow. This capability makes it an essential instrument in laboratories and research facilities where accurate measurements are paramount.The construction of a sensitive galvanometer typically involves a coil of wire suspended in a magnetic field. When an electric current passes through the coil, it generates a magnetic field that interacts with the external magnetic field, causing the coil to rotate. The degree of rotation is proportional to the strength of the current, which can then be read on a calibrated scale. This design not only enhances sensitivity but also minimizes errors caused by external factors such as vibrations or temperature fluctuations.One of the primary applications of a sensitive galvanometer is in the field of electrochemistry, where it is used to measure the current produced in various chemical reactions. For instance, during an electrolytic process, the sensitive galvanometer can help determine the efficiency of the reaction by providing real-time data on the current flow. This information is invaluable for researchers looking to optimize reaction conditions or develop new materials.Moreover, sensitive galvanometers are widely used in educational settings to demonstrate fundamental principles of electricity and magnetism. By allowing students to visualize the effects of electric currents, these instruments enhance the learning experience and deepen understanding. Teachers often use them in experiments to show how current flows through circuits and how it can be measured accurately.In addition to its use in laboratories and classrooms, the sensitive galvanometer has practical applications in the field of telecommunications. It can be employed to monitor signal strength and integrity in communication lines, ensuring that data transmission remains stable and reliable. By detecting even the slightest variations in current, engineers can troubleshoot issues and maintain optimal performance in communication systems.Despite the advent of digital measuring devices, the sensitive galvanometer remains relevant due to its simplicity and reliability. Many professionals appreciate the analog nature of this tool, which provides a direct visual representation of current flow without the need for complex electronics. Furthermore, its robustness and ease of use make it a favorite among hobbyists and experimenters who enjoy working with electrical circuits.In conclusion, the sensitive galvanometer (灵敏电流计) is a vital instrument in the fields of science and engineering. Its ability to measure small currents with high accuracy has made it indispensable in various applications, from academic research to industrial monitoring. As technology continues to evolve, the principles behind the sensitive galvanometer will likely remain foundational, ensuring that this instrument will continue to be used and appreciated for years to come.