electric field

简明释义

电场电场

英英释义

例句

1.In physics, we often visualize an electric field as lines radiating from a charged object, indicating the direction of the 电场.

在物理学中，我们通常将电场可视化为从带电物体辐射出的线，指示电场的方向。

2.A positive charge will move in the direction of the electric field, while a negative charge will move against it, illustrating the behavior of charges in an 电场.

正电荷将在电场的方向上移动，而负电荷将逆向移动，这说明了电荷在电场中的行为。

3.The concept of an electric field is essential for understanding how capacitors store energy in an 电场.

理解电容器如何在电场中储存能量，必须掌握电场的概念。

4.Electric field strength can be measured in volts per meter (V/m), which quantifies the intensity of the electric field or 电场.

电场强度可以用伏特每米（V/m）来测量，这量化了电场或电场的强度。

5.The force experienced by a charged particle in an electric field is proportional to the strength of the 电场.

带电粒子在电场中所受的力与电场的强度成正比。

作文

An electric field is a fundamental concept in physics that describes the influence exerted by electric charges on other charges within the space surrounding them. It is a vector field, meaning it has both magnitude and direction. The strength of an electric field is determined by the amount of charge and the distance from the charge. For example, if you have a positively charged object, it creates an electric field that radiates outward, affecting any negatively charged particles nearby. This interaction is what allows for the attraction and repulsion between different charges.To better understand the concept of an electric field, consider the analogy of a gravitational field. Just as masses create a gravitational field that pulls other masses toward them, electric charges create an electric field that can either attract or repel other charges. The unit of measurement for an electric field is volts per meter (V/m), which indicates how much force a charge would experience in that field.One important aspect of an electric field is that it exists even in the absence of other charges. This means that the electric field produced by a charge can be felt by another charge even if they are not in direct contact. This property is crucial in understanding how electrical forces operate at a distance, which is a key principle in electromagnetism.In practical applications, electric fields are everywhere around us. For instance, when you turn on a light switch, an electric field is established in the wires, allowing electricity to flow and power the light bulb. Similarly, in electronic devices like smartphones and computers, electric fields play a vital role in the functioning of circuits and components. Understanding how these fields work can help engineers design better devices and improve technology.Moreover, electric fields are also essential in various scientific fields, including chemistry and biology. In chemistry, the interaction between ions in a solution can be explained through the concept of electric fields. In biology, electric fields are involved in processes such as nerve impulse transmission, where the movement of ions across cell membranes creates an electric field that propagates signals throughout the nervous system.In conclusion, the electric field is a vital concept in understanding the behavior of electric charges and their interactions. It serves as the foundation for many technological advancements and is integral to various scientific disciplines. By grasping the principles of electric fields, we can appreciate the underlying mechanisms that drive the world of electricity and magnetism. This knowledge not only enhances our comprehension of physical phenomena but also empowers us to innovate and create new technologies that harness the power of electricity.

电场是物理学中的一个基本概念，描述了电荷在其周围空间对其他电荷施加的影响。它是一个矢量场，意味着它具有大小和方向。电场的强度由电荷的数量和电荷的距离决定。例如，如果你有一个带正电的物体，它会产生一个向外辐射的电场，影响附近的任何带负电的粒子。这种相互作用使得不同电荷之间能够相互吸引或排斥。为了更好地理解电场的概念，可以考虑引力场的类比。就像质量产生引力场将其他质量拉向自己一样，电荷也会产生电场，这可以吸引或排斥其他电荷。电场的测量单位是伏特每米（V/m），表示在该场中电荷所经历的力有多大。电场的一个重要方面是，即使在没有其他电荷的情况下，它仍然存在。这意味着一个电荷产生的电场可以被另一个电荷感受到，即使它们没有直接接触。这一特性对于理解电力如何在距离上作用至关重要，这是电磁学中的一个关键原理。在实际应用中，电场无处不在。例如，当你打开灯开关时，电线中会建立一个电场，允许电流流动并点亮灯泡。类似地，在智能手机和计算机等电子设备中，电场在电路和组件的功能中发挥着至关重要的作用。了解这些场是如何工作的，可以帮助工程师设计更好的设备并改善技术。此外，电场在化学和生物等多个科学领域中也至关重要。在化学中，溶液中离子之间的相互作用可以通过电场的概念来解释。在生物学中，电场参与神经冲动传递等过程，其中离子穿过细胞膜的运动产生一个电场，该电场在神经系统中传播信号。总之，电场是理解电荷行为及其相互作用的重要概念。它为许多技术进步奠定了基础，并且与多个科学学科密切相关。通过掌握电场的原理，我们可以欣赏驱动电力和磁力世界的基本机制。这一知识不仅增强了我们对物理现象的理解，还使我们能够创新和创造利用电力的技术。