induced magnetism

简明释义

感应磁力

英英释义

例句

1.A common example of induced magnetism can be seen when a paperclip is attracted to a magnet after being touched by it.

一个常见的感应磁性例子是，当回形针被磁铁接触后被吸引。

2.In transformers, induced magnetism plays a crucial role in the transfer of electrical energy between coils.

在变压器中，感应磁性在绕组之间传输电能中发挥着关键作用。

3.The study of induced magnetism helps engineers design better magnetic materials for various applications.

研究感应磁性有助于工程师设计更好的磁性材料，以用于各种应用。

4.The phenomenon of induced magnetism occurs when a material becomes magnetized due to an external magnetic field.

当材料由于外部磁场而被磁化时，就会发生感应磁性现象。

5.In electric motors, induced magnetism is essential for converting electrical energy into mechanical energy.

在电动机中，感应磁性对将电能转换为机械能至关重要。

作文

Induced magnetism is a fascinating phenomenon that occurs when a material becomes magnetized in the presence of an external magnetic field. This process can be observed in various everyday situations, such as when a paperclip is attracted to a magnet. The concept of induced magnetism (诱导磁性) is not only important in physics but also has practical applications in technology and engineering.To understand induced magnetism (诱导磁性), we first need to explore the nature of magnetism itself. Magnetism is a property of materials that causes them to experience a force when placed in a magnetic field. This property arises from the alignment of magnetic domains within a material. In most materials, these domains are randomly oriented, resulting in no net magnetization. However, when an external magnetic field is applied, these domains can align in the direction of the field, leading to induced magnetism.The strength of induced magnetism (诱导磁性) depends on several factors, including the strength of the external magnetic field and the material's properties. Ferromagnetic materials, such as iron, cobalt, and nickel, exhibit strong induced magnetism (诱导磁性) due to their ability to maintain the alignment of magnetic domains even after the external field is removed. On the other hand, paramagnetic materials show a weaker response, as their magnetic domains do not retain alignment once the external field is removed.One of the most interesting aspects of induced magnetism (诱导磁性) is its application in the development of various technologies. For instance, electric motors rely on the principle of induced magnetism (诱导磁性) to convert electrical energy into mechanical energy. When an electric current passes through a coil of wire, it generates a magnetic field that can induce magnetism in nearby metal parts, causing them to move and perform work.Another application of induced magnetism (诱导磁性) is found in magnetic storage devices, such as hard drives. These devices use magnetic fields to store and retrieve data. When data is written to a hard drive, induced magnetism (诱导磁性) is used to change the magnetic state of tiny regions on the disk, allowing for the encoding of information.Moreover, induced magnetism (诱导磁性) plays a significant role in medical imaging techniques like Magnetic Resonance Imaging (MRI). In MRI, strong magnetic fields induce magnetism in hydrogen atoms within the body, allowing for detailed images of internal structures. This non-invasive technique has revolutionized the field of medicine by providing critical diagnostic information without the need for surgery.In conclusion, induced magnetism (诱导磁性) is a key concept in understanding how materials interact with magnetic fields. Its implications extend far beyond theoretical physics, influencing various technological advancements that shape our modern world. From electric motors to medical imaging, the principles of induced magnetism (诱导磁性) continue to play a crucial role in our daily lives, demonstrating the interconnectedness of science and technology.