mutual induction

简明释义

互感应

英英释义

例句

1.Understanding mutual induction is crucial for developing advanced magnetic levitation systems.

理解互感对于开发先进的磁悬浮系统至关重要。

2.In wireless charging systems, mutual induction plays a key role in transferring power from the charger to the device.

在无线充电系统中，互感在将电力从充电器传输到设备中起着关键作用。

3.In physics classes, students often conduct experiments to observe mutual induction using coils and magnets.

在物理课上，学生们经常进行实验，以观察使用线圈和磁铁的互感现象。

4.The phenomenon of mutual induction is essential in transformers, where energy is transferred between coils without direct electrical connection.

在变压器中，互感现象是至关重要的，能量在绕组之间传递而无需直接电连接。

5.The study of mutual induction can help engineers design more efficient electric motors.

对互感的研究可以帮助工程师设计更高效的电动机。

作文

The concept of mutual induction is fundamental in the study of electromagnetism and electrical engineering. It refers to the phenomenon where a changing magnetic field in one coil induces an electromotive force (EMF) in another nearby coil. This principle is crucial for the operation of transformers, inductors, and various types of electrical circuits. Understanding mutual induction can provide insights into how energy is transferred wirelessly and how various devices function in our daily lives.To illustrate the importance of mutual induction, consider the operation of a transformer. A transformer consists of two coils of wire, known as the primary and secondary coils, wound around a common core. When an alternating current flows through the primary coil, it creates a changing magnetic field around it. This changing magnetic field then passes through the secondary coil, inducing an EMF according to Faraday's law of electromagnetic induction. The voltage induced in the secondary coil can be either higher or lower than the voltage in the primary coil, depending on the number of turns in each coil.The efficiency of energy transfer in transformers is heavily reliant on the principle of mutual induction. If the coils are positioned too far apart or if there is insufficient magnetic coupling between them, the induced voltage will be weak, leading to energy losses. Therefore, engineers must carefully design transformers to maximize the effectiveness of mutual induction by optimizing the core materials and the geometry of the coils.Furthermore, mutual induction is not limited to transformers; it also plays a significant role in wireless charging technologies. In wireless chargers, two coils are used: one in the charger and one in the device being charged. When the charger is powered on, the coil in the charger generates a changing magnetic field. This field induces a current in the receiving coil of the device, allowing it to charge without physical connections. This application of mutual induction showcases how the principle can lead to innovative solutions in modern technology.In addition to practical applications, the theory behind mutual induction also has educational significance. Students studying physics and engineering benefit from understanding this concept as it lays the groundwork for more advanced topics, such as electromagnetic waves and circuit analysis. By grasping the basics of mutual induction, students can better appreciate the interconnectedness of different physical principles and their applications in real-world scenarios.In conclusion, mutual induction is a critical concept that underpins many aspects of electrical engineering and technology. Its applications range from transformers to wireless charging systems, demonstrating its versatility and importance. By exploring both the theoretical and practical dimensions of mutual induction, we gain a deeper appreciation for the role it plays in our technological landscape. As we continue to innovate and develop new technologies, the principles of mutual induction will undoubtedly remain at the forefront of electrical engineering advancements.

“互感”这一概念在电磁学和电气工程的研究中是基础性的。它指的是一个线圈中变化的磁场在另一个相邻线圈中感应出电动势（EMF）的现象。这一原理对于变压器、感应器以及各种类型的电路的运行至关重要。理解“互感”可以提供有关能量如何无线传输以及我们日常生活中各种设备如何运作的深刻见解。为了说明“互感”的重要性，考虑变压器的工作原理。变压器由两个线圈组成，分别称为初级线圈和次级线圈，缠绕在一个共同的核心上。当交流电流流过初级线圈时，会在其周围产生变化的磁场。这个变化的磁场随后穿过次级线圈，根据法拉第电磁感应定律在其中感应出电动势。次级线圈中感应出的电压可以高于或低于初级线圈中的电压，这取决于每个线圈的匝数。变压器中能量传输的效率在很大程度上依赖于“互感”原理。如果线圈之间的位置过远或它们之间的磁耦合不足，则感应电压将会较弱，导致能量损耗。因此，工程师必须仔细设计变压器，以通过优化核心材料和线圈的几何形状来最大化“互感”的有效性。此外，“互感”不仅限于变压器，它在无线充电技术中也发挥着重要作用。在无线充电器中，使用了两个线圈：一个在充电器中，另一个在被充电的设备中。当充电器通电时，充电器中的线圈产生变化的磁场。这个磁场在设备的接收线圈中感应出电流，使其能够在没有物理连接的情况下充电。这一“互感”的应用展示了这一原理如何在现代技术中引领创新解决方案。除了实际应用之外，“互感”背后的理论也具有教育意义。学习物理和工程的学生从理解这一概念中受益，因为它为更高级的主题，如电磁波和电路分析奠定了基础。通过掌握“互感”的基本知识，学生可以更好地欣赏不同物理原理及其在现实世界场景中的应用之间的相互联系。总之，“互感”是支撑电气工程和技术许多方面的关键概念。它的应用范围从变压器到无线充电系统，展示了它的多功能性和重要性。通过探索“互感”的理论和实践维度，我们对它在技术领域中所扮演的角色有了更深的认识。随着我们继续创新和开发新技术，“互感”的原理无疑将继续处于电气工程进步的前沿。