electric flux

简明释义

电束

英英释义

例句

1.In a uniform electric field, the electric flux through a surface is calculated using the equation Φ = E · A.

在均匀电场中，通过一个表面的电通量可以使用公式Φ = E · A计算。

2.To find the total electric flux through a closed surface, you can apply Gauss's law.

要找出通过封闭表面的总电通量，可以应用高斯定律。

3.A positive charge will produce an outward electric flux in the surrounding space.

正电荷将在周围空间产生向外的电通量。

4.The electric flux can change if the angle between the electric field lines and the surface normal changes.

电通量如果电场线与表面法线之间的角度发生变化，则会改变。

5.The concept of electric flux is crucial in understanding Gauss's law.

理解高斯定律时，电通量的概念至关重要。

作文

Electricity is a fundamental aspect of our daily lives, powering everything from our homes to our devices. One of the key concepts in understanding electricity is the idea of electric flux (电通量). In physics, electric flux refers to the quantity of electric field lines passing through a given area. It is an essential concept in electromagnetism and plays a crucial role in understanding how electric fields interact with surfaces. To better understand electric flux, it is important to consider Gauss's Law, which states that the total electric flux through a closed surface is equal to the charge enclosed by that surface divided by the permittivity of free space. This law provides a powerful tool for calculating electric fields in situations with high symmetry, such as spherical or cylindrical distributions of charge. For example, imagine a charged sphere. The electric flux emanating from the surface of the sphere can be calculated easily using Gauss's Law. If we take a Gaussian surface that is concentric with the charged sphere, the electric flux through this surface will be directly proportional to the charge contained within the sphere. This relationship illustrates how electric flux can be used to simplify complex problems in electrostatics. The unit of electric flux is the volt-meter (V·m), which combines the units of electric potential and distance. This unit highlights the relationship between electric fields and the surfaces they interact with. When we think about electric flux, we often visualize it as lines of force spreading out from a charge. The denser the lines, the stronger the electric field, and consequently, the greater the electric flux through a given area. In practical applications, understanding electric flux is crucial for designing electrical equipment and systems. For instance, engineers must consider electric flux when creating capacitors, which store electric energy. The amount of electric flux that can be stored is determined by the surface area of the capacitor plates and the electric field between them. Moreover, electric flux also plays a significant role in understanding electromagnetic waves. These waves are generated by oscillating electric charges, and their behavior can be analyzed through the concept of electric flux. By studying how electric flux changes in time and space, scientists can gain insights into the propagation of light and other forms of electromagnetic radiation. In conclusion, electric flux (电通量) is a vital concept in the field of electromagnetism, providing insights into the behavior of electric fields and their interactions with matter. By mastering this concept, we can better understand the principles that govern electricity and its applications in technology and science. Whether it's in designing electrical devices, analyzing electromagnetic waves, or solving complex electrostatic problems, electric flux remains a cornerstone of our understanding of electricity.

电力是我们日常生活中的一个基本方面，为我们的家居和设备提供动力。理解电力的一个关键概念是“电通量”（electric flux）。在物理学中，electric flux指的是通过给定面积的电场线的数量。它是电磁学中的一个重要概念，在理解电场如何与表面相互作用方面起着至关重要的作用。为了更好地理解electric flux，重要的是要考虑高斯定律，它表明通过封闭表面的总电通量等于被该表面包围的电荷除以自由空间的介电常数。这个定律为计算具有高对称性的情况中的电场提供了一个强大的工具，例如球形或圆柱形的电荷分布。例如，想象一个带电的球体。通过球体表面的electric flux可以很容易地使用高斯定律进行计算。如果我们取一个与带电球同心的高斯面，那么通过该表面的electric flux将与球体内部包含的电荷成正比。这种关系说明了如何使用electric flux来简化静电学中的复杂问题。electric flux的单位是伏特·米（V·m），它结合了电势和距离的单位。这个单位突显了电场与其相互作用的表面之间的关系。当我们思考electric flux时，我们常常把它想象成从电荷散发出的力线。力线越密集，电场越强，因此，通过给定面积的electric flux就越大。在实际应用中，理解electric flux对于设计电气设备和系统至关重要。例如，工程师在创建电容器时必须考虑electric flux，电容器用于储存电能。能够储存的electric flux量由电容器板的表面积和它们之间的电场决定。此外，electric flux在理解电磁波方面也起着重要作用。这些波是由振荡的电荷产生的，其行为可以通过electric flux的概念进行分析。通过研究electric flux在时间和空间中的变化，科学家可以深入了解光和其他形式的电磁辐射的传播。总之，electric flux（电通量）是电磁学领域中的一个重要概念，提供了对电场行为及其与物质相互作用的洞察。通过掌握这一概念，我们可以更好地理解支配电力及其在技术和科学中的应用的原理。无论是在设计电气设备、分析电磁波还是解决复杂的静电问题，electric flux始终是我们理解电力的基石。