ballistic galvanometer

简明释义

1. 冲击电流计; 2. 冲击式电流计; 3. 振动式电流计;

英英释义

例句

1.The ballistic galvanometer is essential for determining the energy stored in inductors.

为了确定电感器中储存的能量，弹道电流计是必不可少的。

2.Students learned how to connect the ballistic galvanometer to the circuit for their project.

学生们学习了如何将弹道电流计连接到电路中以完成他们的项目。

3.In our lab, we calibrated the ballistic galvanometer to ensure accurate readings during experiments.

在我们的实验室，我们校准了弹道电流计以确保实验中的读数准确。

4.The physicist used a ballistic galvanometer to measure the charge produced by the capacitor discharge.

物理学家使用弹道电流计来测量电容器放电产生的电荷。

5.The readings from the ballistic galvanometer can be affected by external magnetic fields.

来自弹道电流计的读数可能会受到外部磁场的影响。

作文

The study of electricity and magnetism has led to the development of various instruments that measure electrical quantities. One such instrument is the ballistic galvanometer, which is specifically designed to measure the total charge or current flowing through a circuit in a very short period of time. This device operates on the principle of electromagnetic induction, where a coil of wire is moved within a magnetic field, generating an electromotive force (EMF) that can be measured. The ballistic galvanometer is particularly useful in experiments involving transient currents, where the current changes rapidly over time.In essence, the ballistic galvanometer consists of a coil suspended in a magnetic field, typically created by permanent magnets. When a current flows through the coil, it experiences a torque due to the interaction with the magnetic field, causing it to rotate. The angle of rotation is directly proportional to the amount of charge that has passed through the coil. This makes the ballistic galvanometer an excellent tool for measuring brief electrical pulses, such as those generated in capacitive discharge circuits.One of the key advantages of using a ballistic galvanometer is its ability to provide accurate measurements of very small currents. In many scientific experiments, especially in physics and engineering, it is essential to measure transient currents with high precision. The ballistic galvanometer allows researchers to capture these fleeting moments and analyze the behavior of electrical systems under rapid changes.Moreover, the ballistic galvanometer is often used in conjunction with other measuring devices to provide a comprehensive understanding of electrical phenomena. For instance, when studying the characteristics of inductors or capacitors, the ballistic galvanometer can be employed to measure the discharge current while an oscilloscope monitors the voltage across the component. This combination of tools enables scientists and engineers to gather valuable data on how different components interact in a circuit.Another important aspect of the ballistic galvanometer is its historical significance in the field of electromagnetism. It was one of the first devices developed to quantify electrical measurements, paving the way for modern instrumentation. Understanding the principles behind the ballistic galvanometer not only helps in appreciating its role in the history of electrical engineering but also enhances our grasp of fundamental concepts in physics.In conclusion, the ballistic galvanometer is an essential instrument in the study of electrical currents, particularly in scenarios involving rapid changes. Its ability to measure transient currents accurately makes it invaluable in both educational and research settings. As technology continues to advance, the principles underlying the ballistic galvanometer remain relevant, reminding us of the importance of precise measurement in understanding the complexities of electrical systems. By mastering the use of the ballistic galvanometer, students and professionals alike can deepen their understanding of electricity and its applications in the modern world.

电和磁的研究导致了各种测量电气量的仪器的发展。其中一种仪器是弹道电流计，它专门设计用于测量在非常短的时间内流经电路的总电荷或电流。该设备基于电磁感应原理，其中一根线圈在磁场中移动，产生可以测量的电动势（EMF）。弹道电流计在涉及瞬态电流的实验中尤为有用，在这些实验中，电流随时间迅速变化。从本质上讲，弹道电流计由悬挂在磁场中的线圈组成，通常由永久磁铁产生。当电流流过线圈时，由于与磁场的相互作用，它会经历扭矩，导致其旋转。旋转角度与通过线圈的电荷量成正比。这使得弹道电流计成为测量短暂电脉冲的优秀工具，例如在电容放电电路中产生的脉冲。使用弹道电流计的一个主要优点是它能够提供非常小电流的准确测量。在许多科学实验中，特别是在物理学和工程学中，精确测量瞬态电流是至关重要的。弹道电流计使研究人员能够捕捉这些短暂时刻并分析电气系统在快速变化下的行为。此外，弹道电流计通常与其他测量设备结合使用，以提供对电气现象的全面理解。例如，在研究电感器或电容器的特性时，可以使用弹道电流计测量放电电流，同时示波器监测组件两端的电压。这种工具组合使科学家和工程师能够收集有关不同组件在电路中如何相互作用的宝贵数据。弹道电流计的另一个重要方面是它在电磁学领域的历史意义。它是最早开发的定量电气测量设备之一，为现代仪器铺平了道路。理解弹道电流计背后的原理不仅有助于欣赏其在电气工程历史中的角色，还增强了我们对物理学基本概念的理解。总之，弹道电流计是研究电流的关键仪器，特别是在涉及快速变化的场景中。它准确测量瞬态电流的能力使其在教育和研究环境中都具有不可估量的价值。随着技术的不断进步，支撑弹道电流计的原理仍然相关，提醒我们精确测量在理解电气系统复杂性中的重要性。通过掌握弹道电流计的使用，学生和专业人士都可以加深对电力及其在现代世界应用的理解。