coulomb field

简明释义

库仑场

英英释义

例句

1.The coulomb field can be visualized using electric field lines that radiate from positive charges.

可以使用从正电荷辐射出的电场线来可视化库仑场。

2.In electrostatics, the coulomb field plays a crucial role in determining the forces between charges.

在静电学中，库仑场在确定电荷之间的力方面起着关键作用。

3.The coulomb field generated by a point charge decreases with the square of the distance from the charge.

点电荷产生的库仑场随着离电荷距离的平方而减小。

4.The strength of the coulomb field around a charged particle can be calculated using Coulomb's law.

围绕带电粒子的库仑场的强度可以通过库仑定律计算。

5.Understanding the properties of the coulomb field is essential for designing capacitors.

理解库仑场的性质对于设计电容器至关重要。

作文

In the realm of physics, particularly in electromagnetism, the concept of a coulomb field is fundamental to understanding how charged particles interact with one another. The coulomb field refers to the electric field generated by a charged object, which exerts forces on other charged objects within its vicinity. This concept is named after Charles-Augustin de Coulomb, a French physicist who made significant contributions to the study of electrostatics. To grasp the significance of the coulomb field, it is essential to recognize that electric charges come in two types: positive and negative. Like charges repel each other, while opposite charges attract. This interaction is a direct consequence of the coulomb field produced by charged objects. For instance, when you bring a positively charged balloon close to your hair, the coulomb field generated by the balloon induces a charge separation in your hair, causing it to be attracted to the balloon. This phenomenon is not only fascinating but also serves as a practical demonstration of the principles of electromagnetism.The strength of the coulomb field decreases with distance from the charged object, following an inverse square law. Mathematically, this relationship can be expressed using Coulomb's law, which states that the force (F) between two point charges (q1 and q2) is directly proportional to the product of the magnitudes of the charges and inversely proportional to the square of the distance (r) between them: F = k * (|q1 * q2|) / r², where k is Coulomb's constant. This equation illustrates how the influence of the coulomb field diminishes as you move further away from the source charge.Understanding the coulomb field is crucial for many applications in modern technology. For example, in the design of capacitors, which store electrical energy, the behavior of the coulomb field plays a vital role in determining the efficiency and capacity of these devices. Additionally, the principles behind the coulomb field are foundational in the development of various electronic components, such as transistors and diodes, which are essential for the functioning of computers and other digital devices.Moreover, the coulomb field concept extends beyond simple point charges. In more complex systems, such as those involving multiple charges or continuous charge distributions, the net coulomb field at a given point can be calculated by vector addition of the individual fields produced by each charge. This principle allows physicists to analyze intricate systems, such as molecular structures and plasma behavior, providing insights into the underlying physical phenomena.In conclusion, the coulomb field is a pivotal concept in electromagnetism that describes the electric field created by charged objects. Its implications span a wide range of scientific and engineering disciplines, influencing everything from theoretical physics to practical applications in technology. By understanding the nature of the coulomb field, we gain valuable insights into the forces that govern the interactions of charged particles, ultimately enhancing our comprehension of the physical world around us.

在物理学的领域，特别是在电磁学中，库仑场的概念对于理解带电粒子之间的相互作用至关重要。库仑场是指由带电物体产生的电场，它对其附近的其他带电物体施加力。这个概念以法国物理学家查尔斯-奥古斯丁·库仑的名字命名，他对静电学的研究做出了重大贡献。要理解库仑场的重要性，必须认识到电荷有两种类型：正电荷和负电荷。同种电荷相互排斥，而异种电荷则相互吸引。这种相互作用是由带电物体产生的库仑场直接导致的。例如，当你将一个带正电的气球靠近你的头发时，气球产生的库仑场会在你的头发中诱导出电荷分离，使其被气球吸引。这一现象不仅令人着迷，而且还作为电磁原理的实际演示。库仑场的强度随着距离带电物体的远离而减弱，遵循反平方定律。从数学上讲，这种关系可以通过库仑定律来表达，该定律指出，两点电荷（q1和q2）之间的力（F）与电荷大小的乘积成正比，与它们之间距离的平方成反比：F = k * (|q1 * q2|) / r²，其中k是库仑常数。这个方程说明了库仑场的影响如何随着距离源电荷的远离而减小。理解库仑场对于现代技术中的许多应用至关重要。例如，在电容器的设计中，电容器存储电能，库仑场的行为在决定这些设备的效率和容量方面发挥着重要作用。此外，库仑场背后的原理是各种电子元件（如晶体管和二极管）发展的基础，这些元件对于计算机和其他数字设备的运行至关重要。此外，库仑场的概念不仅限于简单的点电荷。在更复杂的系统中，例如涉及多个电荷或连续电荷分布的系统，可以通过对每个电荷产生的个体场进行矢量相加来计算给定点的净库仑场。这一原理使物理学家能够分析复杂的系统，如分子结构和等离子体行为，从而提供对基础物理现象的深入理解。总之，库仑场是电磁学中的一个关键概念，描述了带电物体产生的电场。它的影响跨越科学和工程学的广泛领域，影响从理论物理到技术中的实际应用。通过理解库仑场的性质，我们获得了对支配带电粒子相互作用的力的宝贵见解，最终增强了我们对周围物理世界的理解。