mutual induction

简明释义

互感应

英英释义

例句

1.In electrical engineering, mutual induction occurs when a change in current in one coil induces a voltage in another coil.

在电气工程中，互感发生在一个线圈的电流变化时，会在另一个线圈中感应出电压。

2.The principle of mutual induction is used in many applications, including inductors and transformers.

互感原理被广泛应用于许多设备，包括电感器和变压器。

3.Wireless charging technology relies on mutual induction to transfer energy between the charger and the device.

无线充电技术依赖于互感在充电器和设备之间传输能量。

4.To understand mutual induction, one must first grasp the basics of electromagnetic fields.

要理解互感，首先必须掌握电磁场的基础知识。

5.The concept of mutual induction is essential in understanding transformer operation.

理解变压器工作原理时，互感的概念至关重要。

作文

Mutual induction is a fundamental principle in electromagnetism that describes the phenomenon where a change in the electric current in one coil induces an electromotive force (EMF) in another nearby coil. This principle plays a crucial role in various electrical devices and technologies, making it essential for anyone studying physics or engineering to understand its implications and applications. In this essay, I will explore the concept of mutual induction (互感) and its significance in our daily lives.To begin with, let us define what mutual induction (互感) entails. When an alternating current flows through a coil, it generates a varying magnetic field around it. If there is a second coil placed within this magnetic field, the changing magnetic flux can induce an EMF in the second coil. The amount of induced EMF depends on several factors, including the rate of change of current in the first coil, the distance between the coils, and the number of turns in each coil. This relationship is quantitatively described by Faraday's law of electromagnetic induction.One of the most common applications of mutual induction (互感) is found in transformers. Transformers are devices that transfer electrical energy between two or more circuits through electromagnetic induction. They are crucial in power distribution systems, allowing electricity to be transmitted over long distances at high voltages and then stepped down to safer levels for use in homes and businesses. The efficiency of transformers is largely due to the principle of mutual induction (互感), which enables them to convert AC voltage levels effectively.Moreover, mutual induction (互感) is also utilized in wireless charging technologies. Modern smartphones and electric vehicles often employ inductive charging systems that rely on the principle of mutual induction (互感). In these systems, a primary coil generates an alternating magnetic field when connected to a power source. A secondary coil in the device being charged picks up this magnetic field, inducing a current that charges the battery. This technology highlights how mutual induction (互感) facilitates convenience and efficiency in our increasingly wireless world.Another area where mutual induction (互感) is significant is in the realm of sensors and measurement devices. Inductive sensors utilize the principle of mutual induction (互感) to detect the presence of metallic objects or measure their distance from the sensor. These sensors are widely used in industrial automation, automotive applications, and even in consumer electronics, showcasing the versatility of mutual induction (互感) across various fields.In conclusion, understanding mutual induction (互感) is vital for comprehending many modern technologies that shape our daily lives. From transformers that enable efficient power distribution to wireless charging systems that enhance convenience, the applications of mutual induction (互感) are vast and impactful. As technology continues to evolve, the principles of electromagnetism, particularly mutual induction (互感), will remain at the forefront, driving innovation and improving the way we interact with the world around us. Therefore, a thorough understanding of this concept is not only beneficial for students of science and engineering but also for anyone interested in the technological advancements that define our era.

互感是电磁学中的一个基本原理，描述了一个线圈中电流变化时，会在附近的另一个线圈中感应出电动势（EMF）的现象。这个原理在各种电气设备和技术中起着至关重要的作用，因此对于任何学习物理或工程的人来说，理解其影响和应用是必不可少的。在这篇文章中，我将探讨互感的概念及其在我们日常生活中的重要性。首先，让我们定义一下互感的含义。当交流电流通过一个线圈时，它会在周围产生一个变化的磁场。如果有第二个线圈放置在这个磁场内，变化的磁通量可以在第二个线圈中感应出电动势。感应出的电动势的大小取决于多个因素，包括第一个线圈中电流变化的速率、两个线圈之间的距离以及每个线圈的匝数。这种关系可以通过法拉第电磁感应定律定量描述。互感最常见的应用之一是在变压器中。变压器是通过电磁感应在两个或多个电路之间传输电能的设备。它们在电力分配系统中至关重要，使电力能够以高电压长距离传输，然后降至安全水平供家庭和企业使用。变压器的效率在很大程度上得益于互感的原理，使它们能够有效地转换交流电压水平。此外，互感也被用于无线充电技术。现代智能手机和电动汽车通常采用依赖于互感原理的感应充电系统。在这些系统中，主线圈在连接到电源时产生一个交变磁场。被充电设备中的次级线圈捕捉到这个磁场，从而感应出电流为电池充电。这项技术突显了互感如何便利和高效地促进我们日益无线的世界。互感在传感器和测量设备领域同样重要。感应传感器利用互感的原理来检测金属物体的存在或测量它们与传感器的距离。这些传感器广泛应用于工业自动化、汽车应用，甚至消费电子产品，展示了互感在各个领域的多样性。总之，理解互感对理解塑造我们日常生活的许多现代技术至关重要。从使电力分配高效的变压器到提升便利性的无线充电系统，互感的应用广泛且影响深远。随着技术的不断发展，电磁学的原理，特别是互感，将继续处于前沿，推动创新并改善我们与周围世界的互动。因此，深入理解这一概念不仅对科学和工程的学生有益，也对任何对定义我们时代的技术进步感兴趣的人有益。