magnetic flux

简明释义

磁通量磁性熔剂磁性焊剂

英英释义

例句

1.In a generator, the rotation of the coil changes the magnetic flux 磁通量, inducing an electric current.

在发电机中，线圈的旋转改变了磁通量 magnetic flux，从而诱导出电流。

2.Measuring the magnetic flux 磁通量 helps scientists understand the behavior of magnetic fields in different materials.

测量磁通量 magnetic flux帮助科学家理解不同材料中磁场的行为。

3.The strength of the magnetic field can be calculated by measuring the total magnetic flux 磁通量 passing through a given area.

通过测量穿过给定区域的总磁通量 magnetic flux，可以计算出磁场的强度。

4.Faraday's law states that the induced electromotive force is proportional to the rate of change of magnetic flux 磁通量.

法拉第定律指出，感应电动势与磁通量 magnetic flux的变化率成正比。

5.To design an efficient transformer, engineers must optimize the magnetic flux 磁通量 in the core material.

为了设计高效的变压器，工程师必须优化核心材料中的磁通量 magnetic flux。

作文

Magnetic flux is a fundamental concept in the field of electromagnetism, representing the quantity of magnetic field lines passing through a given area. To understand this concept better, let us delve into its significance and applications in both theoretical and practical contexts. Magnetic flux, denoted by the Greek letter phi (Φ), is measured in Weber (Wb) and is a crucial factor in Faraday's law of electromagnetic induction.In essence, magnetic flux (磁通量) can be thought of as a measure of how much magnetic field interacts with a surface. Imagine a flat surface placed in a magnetic field; the number of magnetic field lines that cross this surface determines the magnetic flux (磁通量) through it. If the magnetic field is uniform and perpendicular to the surface, calculating the magnetic flux (磁通量) becomes straightforward: it is simply the product of the magnetic field strength (B) and the area (A) of the surface, expressed mathematically as Φ = B × A.However, the situation becomes more complex when the angle between the magnetic field lines and the surface changes. In such cases, we must take into account the cosine of the angle (θ) between the magnetic field direction and the normal to the surface. The formula then adjusts to Φ = B × A × cos(θ). This relationship highlights how the orientation of the surface affects the amount of magnetic flux (磁通量) passing through it, demonstrating the vector nature of magnetic fields.Understanding magnetic flux (磁通量) is not only important for theoretical physics but also has significant practical implications. For instance, electric generators operate based on the principle of magnetic flux (磁通量) changes. When a conductor moves through a magnetic field, the change in magnetic flux (磁通量) induces an electromotive force (EMF), which generates electric current. This principle is what powers our homes and industries, showcasing how a deep understanding of magnetic flux (磁通量) can lead to technological advancements.Moreover, magnetic flux (磁通量) is essential in various applications, including transformers, inductors, and magnetic storage devices. In transformers, for example, the primary coil creates a magnetic flux (磁通量) that links to the secondary coil, allowing energy transfer between circuits. Engineers carefully design these systems to maximize magnetic flux (磁通量) efficiency, minimizing losses and enhancing performance.In conclusion, magnetic flux (磁通量) is a key concept in understanding the behavior of magnetic fields and their interactions with electric circuits. Its implications stretch across various domains of science and technology, underscoring its importance in both theoretical studies and practical applications. By grasping the nuances of magnetic flux (磁通量), we can appreciate the intricate relationship between electricity and magnetism, paving the way for innovations that harness these forces for the benefit of society.

磁通量是电磁学领域的一个基本概念，表示通过给定面积的磁场线的数量。为了更好地理解这个概念，让我们深入探讨它在理论和实践中的重要性和应用。磁通量用希腊字母Φ表示，单位为韦伯（Wb），是法拉第电磁感应定律中的一个关键因素。从本质上讲，磁通量（磁通量）可以被视为衡量磁场与表面相互作用程度的一个指标。想象一下，一个平坦的表面放置在磁场中；穿过该表面的磁场线数量决定了该表面的磁通量（磁通量）。如果磁场是均匀的并且垂直于表面，那么计算磁通量（磁通量）就变得简单：它只是磁场强度（B）和表面面积（A）的乘积，数学表达式为Φ = B × A。然而，当磁场线与表面之间的角度发生变化时，情况变得更加复杂。在这种情况下，我们必须考虑磁场方向与表面法线之间角度（θ）的余弦。公式调整为Φ = B × A × cos(θ)。这个关系突显了表面的朝向如何影响穿过它的磁通量（磁通量）数量，展示了磁场的矢量特性。理解磁通量（磁通量）不仅对理论物理学重要，而且在实践中也具有重大意义。例如，发电机的运行基于磁通量（磁通量）变化的原理。当导体在磁场中移动时，磁通量（磁通量）的变化会感应出电动势（EMF），从而产生电流。这一原理为我们的家庭和工业提供动力，展示了对磁通量（磁通量）深刻理解如何促进技术进步。此外，磁通量（磁通量）在各种应用中也至关重要，包括变压器、电感器和磁存储设备。例如，在变压器中，初级线圈产生的磁通量（磁通量）与次级线圈相连接，实现电路间的能量传输。工程师们精心设计这些系统，以最大化磁通量（磁通量）效率，最小化损失并增强性能。总之，磁通量（磁通量）是理解磁场行为及其与电路相互作用的关键概念。它的影响跨越科学和技术的多个领域，强调了它在理论研究和实际应用中的重要性。通过掌握磁通量（磁通量）的细微差别，我们可以欣赏到电与磁之间复杂的关系，为利用这些力量造福社会的创新铺平道路。