inducedmagnetic field

简明释义

感应磁场

英英释义

An induced magnetic field is a magnetic field generated in a material or space due to the influence of an external magnetic field or changing electric currents.

感应磁场是由于外部磁场或变化的电流影响而在材料或空间中生成的磁场。

例句

1.When a magnet moves through a coil, it generates an induced magnetic field 感应磁场 that can power a light bulb.

当磁铁穿过线圈时,它会产生一个induced magnetic field 感应磁场,可以为灯泡供电。

2.The induced magnetic field 感应磁场 in the electric motor helps to convert electrical energy into mechanical energy.

电动机中的induced magnetic field 感应磁场 有助于将电能转换为机械能。

3.Scientists study the induced magnetic field 感应磁场 to understand the behavior of plasma in fusion reactors.

科学家研究induced magnetic field 感应磁场以理解聚变反应堆中等离子的行为。

4.The transformer operates by creating an induced magnetic field 感应磁场 when alternating current flows through its coils.

变压器通过在其线圈中流动的交流电产生一个induced magnetic field 感应磁场来工作。

5.In MRI machines, the induced magnetic field 感应磁场 is crucial for producing detailed images of the body.

在MRI机器中,induced magnetic field 感应磁场 对于生成身体的详细图像至关重要。

作文

The phenomenon of the induced magnetic field plays a crucial role in understanding electromagnetic interactions. When a conductor experiences a change in magnetic flux, it generates an electric current. This principle is known as electromagnetic induction, which was first discovered by Michael Faraday in the 19th century. Faraday's experiments showed that a changing magnetic field could induce a current in a nearby conductor. This process leads to the creation of an induced magnetic field that opposes the change in the original magnetic field, a concept encapsulated in Lenz's Law.The induced magnetic field is a fundamental aspect of various technologies we use today. For instance, in electric generators, mechanical energy is converted into electrical energy through the rotation of coils within a magnetic field. As the coils rotate, they experience a change in magnetic flux, resulting in an induced magnetic field that produces electricity. This principle underlies the operation of power plants and renewable energy sources such as wind turbines and hydroelectric dams.In addition to its applications in energy generation, the induced magnetic field is also significant in the realm of electromagnetic devices. Transformers, for example, utilize the concept of electromagnetic induction to transfer energy between circuits. By varying the number of coils in the primary and secondary circuits, transformers can increase or decrease voltage levels efficiently. The induced magnetic field created during this process ensures that energy is transferred with minimal loss, making transformers essential for electrical distribution systems.Moreover, the induced magnetic field is not limited to industrial applications; it also has implications in medical technology. Magnetic Resonance Imaging (MRI) relies on the principles of electromagnetism to produce detailed images of the human body. During an MRI scan, a strong magnetic field is applied, and the induced magnetic field generated by the body's tissues is measured to create high-resolution images. This non-invasive imaging technique has revolutionized diagnostics and treatment planning in medicine.Understanding the concept of the induced magnetic field is vital for students and professionals in fields such as physics, engineering, and medicine. It illustrates the interconnectedness of electricity and magnetism, two fundamental forces in nature. As technology continues to evolve, the applications of induced magnetic fields will likely expand, offering new solutions to complex challenges.In conclusion, the induced magnetic field is a key element in the study of electromagnetism, influencing a wide array of applications from energy generation to medical imaging. By grasping the principles behind this phenomenon, we can appreciate how it shapes the technologies that drive our modern world. As we advance further into the era of innovation, understanding and harnessing the induced magnetic field will remain essential for sustainable development and technological progress.

“感应磁场”现象在理解电磁相互作用中起着至关重要的作用。当导体经历磁通量变化时,它会产生电流。这一原理被称为电磁感应,最早是由迈克尔·法拉第在19世纪发现的。法拉第的实验表明,变化的磁场可以在附近的导体中感应出电流。这个过程导致了一个“感应磁场”的产生,它会抵消原始磁场的变化,这一概念被称为伦茨定律。“感应磁场”是我们今天使用的各种技术的基本方面。例如,在发电机中,机械能通过在磁场中旋转线圈转化为电能。当线圈旋转时,它们经历磁通量的变化,产生一个“感应磁场”,从而产生电力。这个原理是发电厂和可再生能源源(如风力涡轮机和水电站)操作的基础。除了在能源生成中的应用外,“感应磁场”在电磁设备领域也具有重要意义。例如,变压器利用电磁感应的概念在电路之间传输能量。通过改变主电路和次电路中的线圈数量,变压器可以有效地增加或减少电压水平。在这个过程中产生的“感应磁场”确保能量以最小的损失进行传输,使变压器在电力分配系统中至关重要。此外,“感应磁场”不仅限于工业应用;它在医疗技术中也有影响。磁共振成像(MRI)依赖电磁学原理来产生人体的详细图像。在MRI扫描期间,施加强磁场,身体组织产生的“感应磁场”被测量以创建高分辨率图像。这种非侵入性成像技术彻底改变了医学中的诊断和治疗计划。理解“感应磁场”的概念对于物理学、工程学和医学等领域的学生和专业人士至关重要。它展示了电和磁这两种自然基本力量之间的相互联系。随着技术的不断发展,“感应磁场”的应用可能会扩大,为复杂挑战提供新的解决方案。总之,“感应磁场”是电磁学研究的关键元素,影响着从能源生成到医学成像的广泛应用。通过掌握这一现象背后的原理,我们可以欣赏到它如何塑造推动我们现代世界的技术。随着我们进一步进入创新时代,理解和利用“感应磁场”将仍然是可持续发展和技术进步的核心。