magnetic flux

简明释义

磁通量

英英释义

例句

1.A change in magnetic flux 磁通量 can induce an electromotive force in a circuit.

在电路中，磁通量 magnetic flux的变化可以感应出电动势。

2.The generator operates by rotating a magnet to create a changing magnetic flux 磁通量.

发电机通过旋转磁铁来产生变化的磁通量 magnetic flux。

3.Engineers need to calculate the magnetic flux 磁通量 for the design of transformers.

工程师需要计算变压器设计中的磁通量 magnetic flux。

4.The magnetic flux 磁通量 density is crucial for understanding how magnetic fields interact with materials.

理解磁场与材料相互作用时，磁通量 magnetic flux密度至关重要。

5.The scientist measured the magnetic flux 磁通量 through the coil to determine its efficiency.

科学家测量了线圈中的磁通量 magnetic flux以确定其效率。

作文

Magnetic flux is a fundamental concept in electromagnetism that describes the quantity of magnetic field lines passing through a given area. To understand this concept better, we can relate it to various real-world applications and phenomena. For instance, consider how electric generators work. When a conductor moves through a magnetic field, it experiences a change in magnetic flux (磁通量), which induces an electromotive force (EMF) according to Faraday's law of electromagnetic induction. This principle is crucial in generating electricity in power plants, where large turbines spin within magnetic fields, producing significant amounts of electrical energy.Another application of magnetic flux (磁通量) is found in transformers. These devices rely on the principle of magnetic flux (磁通量) linkage to transfer electrical energy between two or more coils. When alternating current flows through the primary coil, it creates a changing magnetic flux (磁通量) that induces a voltage in the secondary coil. This process allows for the efficient transmission of electricity over long distances, as it can step up or step down voltages as needed.In addition to practical applications, understanding magnetic flux (磁通量) is also important in scientific research. Physicists study magnetic flux (磁通量) to explore the behavior of materials in magnetic fields. For example, superconductors exhibit unique properties when subjected to magnetic flux (磁通量). They can expel magnetic fields, a phenomenon known as the Meissner effect, allowing them to levitate magnets. This property has potential applications in transportation, such as maglev trains, which use superconducting magnets to reduce friction and increase speed.Furthermore, the concept of magnetic flux (磁通量) extends beyond traditional electromagnetism. In astrophysics, researchers investigate the magnetic flux (磁通量) of celestial bodies, such as stars and planets, to understand their magnetic fields and how they interact with solar winds. This research is vital for comprehending space weather and its effects on satellite communications and power grids on Earth.In conclusion, magnetic flux (磁通量) is a versatile concept that plays a crucial role in various fields, from engineering to astrophysics. Its applications are evident in everyday technologies like electric generators and transformers, as well as in advanced scientific research. By grasping the significance of magnetic flux (磁通量), we can appreciate the interconnectedness of physics and technology, paving the way for future innovations and discoveries.