magnetic flux

简明释义

磁通量

英英释义

例句

1.In electromagnetic induction, the magnetic flux 磁通量 is crucial for generating electricity.

在电磁感应中，磁通量对于发电至关重要。

2.The change in magnetic flux 磁通量 through the coil induced a current.

线圈中磁通量的变化引发了电流。

3.The magnetic flux 磁通量 through a surface can be measured using a Gauss meter.

磁通量可以使用高斯计测量。

4.The formula for calculating magnetic flux 磁通量 involves the area and the strength of the magnetic field.

计算磁通量的公式涉及面积和磁场强度。

5.A change in magnetic flux 磁通量 can produce an electromotive force (EMF).

磁通量的变化可以产生电动势（EMF）。

作文

The concept of magnetic flux is fundamental in the study of electromagnetism and plays a crucial role in various applications of physics and engineering. To understand magnetic flux, we must first define what it entails. In simple terms, magnetic flux refers to the total magnetic field that passes through a given area. It is a measure of the quantity of magnetism, taking into account the strength and extent of the magnetic field. The unit of magnetic flux is the Weber (Wb), which quantifies how much magnetic field lines penetrate a surface. In practical terms, magnetic flux can be visualized using the example of a magnetic field created by a bar magnet. When you hold a bar magnet near a piece of iron, the iron becomes magnetized due to the magnetic flux emanating from the magnet. This phenomenon occurs because the field lines generated by the magnet interact with the electrons in the iron, aligning them in such a way that they create a magnetic effect. The greater the strength of the magnet and the larger the area through which the field lines pass, the higher the magnetic flux.One of the most significant applications of magnetic flux is in the operation of electric generators. In these machines, mechanical energy is converted into electrical energy through the principle of electromagnetic induction. As a conductor, such as a copper wire, moves through a magnetic field, the change in magnetic flux induces an electromotive force (EMF) in the conductor. This induced EMF drives an electric current, which can then be harnessed for various uses, from powering homes to running industrial machinery.Moreover, magnetic flux is not only important in generators but also in transformers. A transformer operates on the principle of magnetic flux linkage between two coils of wire. When alternating current flows through one coil, it generates a changing magnetic flux that induces a voltage in the second coil. This process allows for the efficient transmission of electrical energy over long distances, making it possible to deliver electricity to our homes and businesses.Understanding magnetic flux also has implications in modern technology, such as in the design of magnetic resonance imaging (MRI) machines. MRI uses strong magnetic fields and magnetic flux to generate detailed images of the organs and tissues inside the body. By manipulating the magnetic flux, healthcare professionals can obtain high-resolution images, which are crucial for accurate diagnosis and treatment planning.In conclusion, the concept of magnetic flux is essential for understanding various physical phenomena and technological applications. From electric generators to MRI machines, the principles of magnetic flux underpin many aspects of modern life. As we continue to explore the realms of physics and engineering, a solid grasp of magnetic flux will undoubtedly enhance our ability to innovate and improve the technologies that shape our world.

“磁通量”这一概念在电磁学研究中是基础，并在物理学和工程的各种应用中发挥着至关重要的作用。要理解“磁通量”，我们首先必须定义它的含义。简单来说，“磁通量”指的是通过给定面积的总磁场。它是磁性数量的度量，考虑到磁场的强度和范围。“磁通量”的单位是韦伯（Wb），用于量化多少磁场线穿透一个表面。在实际应用中，可以用条形磁铁产生的磁场来可视化“磁通量”。当你将条形磁铁靠近一块铁时，由于从磁铁发出的“磁通量”，铁会被磁化。这种现象发生是因为磁铁产生的场线与铁中的电子相互作用，使它们排列成一种创建磁效应的方式。磁铁的强度越大，穿过场线的面积越大，“磁通量”就越高。“磁通量”的一个重要应用是在电动发电机的运行中。在这些机器中，机械能通过电磁感应原理转化为电能。当导体（例如铜线）在磁场中移动时，“磁通量”的变化会在导体中感应出电动势（EMF）。这种感应的电动势驱动电流，从而可以用于各种用途，从供电到工业机械的运行。此外，“磁通量”不仅在发电机中重要，在变压器中也同样重要。变压器基于两个线圈之间的“磁通量”耦合原理运作。当交流电流流经一个线圈时，它会产生变化的“磁通量”，从而在第二个线圈中感应出电压。这个过程使得电能能够高效地传输到远距离，从而使我们能够将电力送到家庭和企业。理解“磁通量”在现代技术中也具有重要意义，例如在磁共振成像（MRI）机器的设计中。MRI利用强大的磁场和“磁通量”生成身体内部器官和组织的详细图像。通过操控“磁通量”，医疗专业人员可以获得高分辨率的图像，这对于准确的诊断和治疗计划至关重要。总之，“磁通量”的概念对于理解各种物理现象和技术应用至关重要。从电动发电机到MRI机器，“磁通量”的原理支撑着现代生活的许多方面。随着我们继续探索物理学和工程学的领域，对“磁通量”的扎实掌握无疑会增强我们创新和改善塑造我们世界的技术的能力。