electric field intensity
简明释义
电场强度
英英释义
Electric field intensity is a measure of the force per unit charge experienced by a positive test charge placed in an electric field. | 电场强度是指在电场中放置一个正试验电荷时所经历的单位电荷所受的力的度量。 |
例句
1.A higher electric field intensity 电场强度 results in a greater force on charged particles.
更高的 电场强度 electric field intensity 会对带电粒子产生更大的力。
2.The electric field intensity 电场强度 near a charged plate can be calculated using Gauss's law.
在带电板附近,电场强度 electric field intensity 可以使用高斯定律计算。
3.In a vacuum, the electric field intensity 电场强度 decreases with the square of the distance from the charge.
在真空中,电场强度 electric field intensity 随着距离电荷的平方反比减小。
4.The electric field intensity 电场强度 can be visualized using field lines in a diagram.
可以通过图示中的场线来可视化 电场强度 electric field intensity 。
5.Engineers must consider the electric field intensity 电场强度 when designing circuits to avoid breakdown.
工程师在设计电路时必须考虑 电场强度 electric field intensity 以避免击穿。
作文
The concept of electric field intensity is fundamental in the study of electromagnetism. It describes the force experienced by a unit positive charge placed in an electric field. This force is not only crucial for understanding how charged particles interact with each other but also plays a significant role in various applications in physics and engineering. The electric field intensity is represented by the symbol 'E' and is measured in volts per meter (V/m). To better comprehend the significance of electric field intensity, let us consider its mathematical definition. The electric field intensity at a point in space can be calculated using the formula E = F/q, where 'E' is the electric field intensity, 'F' is the force acting on the charge, and 'q' is the magnitude of the charge. This equation indicates that the electric field intensity is directly proportional to the force experienced by the charge and inversely proportional to the size of the charge itself. One of the most common examples of electric field intensity can be observed in the vicinity of a charged plate. When a positively charged plate is placed parallel to a negatively charged plate, an electric field intensity is established between them. The lines of the electric field radiate from the positive plate to the negative plate, indicating the direction of the force that a positive test charge would experience if placed within the field. The strength of this electric field intensity is uniform between the plates and can be calculated based on the voltage applied across the plates and the distance separating them. Understanding electric field intensity is not only important in theoretical physics but also has practical implications. For instance, in designing electrical devices such as capacitors, engineers must consider the electric field intensity to ensure that the device operates efficiently without breaking down due to excessive field strength. Additionally, in telecommunications, the electric field intensity influences signal transmission and reception, making it a critical parameter in the development of antennas and other communication technologies. Furthermore, the concept of electric field intensity extends beyond simple applications; it is essential in advanced fields such as plasma physics and semiconductor technology. In plasma physics, understanding the electric field intensity helps scientists manipulate charged particles in fusion reactors. In semiconductor technology, the electric field intensity affects the behavior of electrons and holes, which are crucial for the functionality of electronic devices. In conclusion, the electric field intensity is a vital concept in physics that helps explain the interactions between charged particles and the forces they experience in an electric field. Its applications span a wide range of fields, from basic electrical engineering to advanced scientific research. By grasping the fundamentals of electric field intensity, we can better appreciate the intricate workings of the physical world and harness these principles for technological advancements. In summary, the electric field intensity (电场强度) is a measure of the force per unit charge in an electric field, playing a crucial role in both theoretical and practical applications across various disciplines.
电场强度的概念在电磁学的研究中是基础性的。它描述了在电场中放置单位正电荷所经历的力。这种力不仅对理解带电粒子之间的相互作用至关重要,而且在物理和工程的各种应用中也发挥着重要作用。电场强度用字母'E'表示,单位为伏特每米(V/m)。为了更好地理解电场强度的重要性,让我们考虑它的数学定义。在空间中某一点的电场强度可以通过公式E = F/q来计算,其中'E'是电场强度,'F'是作用于电荷的力,'q'是电荷的大小。这个方程表明,电场强度与电荷所经历的力成正比,与电荷本身的大小成反比。一个常见的电场强度示例可以在带电平板的附近观察到。当一个带正电的平板与一个带负电的平板平行放置时,二者之间会建立电场强度。电场线从正极辐射到负极,指示如果在该场中放置一个正测试电荷,它将经历的力的方向。这个电场强度在两个平板之间是均匀的,可以根据施加在平板上的电压和它们之间的距离进行计算。理解电场强度不仅在理论物理中重要,还具有实际意义。例如,在设计电气设备如电容器时,工程师必须考虑电场强度以确保设备高效运行而不会因场强过大而发生故障。此外,在电信中,电场强度影响信号的传输和接收,使其成为天线和其他通信技术开发中的关键参数。此外,电场强度的概念不仅限于简单的应用;它在等离子体物理和半导体技术等高级领域也至关重要。在等离子体物理中,理解电场强度有助于科学家操控聚变反应堆中的带电粒子。在半导体技术中,电场强度影响电子和空穴的行为,这对于电子设备的功能至关重要。总之,电场强度是物理学中一个重要的概念,有助于解释带电粒子之间的相互作用及其在电场中的经历的力。它的应用跨越了多个领域,从基本的电气工程到先进的科学研究。通过掌握电场强度的基本原理,我们可以更好地欣赏物理世界的复杂运作,并利用这些原理推动技术进步。总之,电场强度(电场强度)是电场中单位电荷所受力的度量,在各个学科的理论和实际应用中发挥着关键作用。
相关单词