strength of electric field

简明释义

电场强度

英英释义

例句

1.Engineers need to calculate the strength of electric field when designing high-voltage power lines.

工程师在设计高压输电线时需要计算电场强度。

2.In a parallel plate capacitor, the strength of electric field is uniform between the plates.

在平行板电容器中，板间的电场强度是均匀的。

3.The strength of electric field can be increased by increasing the voltage applied across the electrodes.

通过增加施加在电极上的电压，可以提高电场强度。

4.The strength of electric field in this region is measured in volts per meter.

该区域的电场强度以伏特每米为单位测量。

5.The strength of electric field affects the motion of charged particles in a vacuum.

在真空中，电场强度影响带电粒子的运动。

作文

The concept of the strength of electric field is fundamental in understanding how electric forces operate in various physical systems. An electric field is created by charged particles, and its strength indicates how much force a charge would experience if placed within that field. The strength of electric field can be quantified using the formula E = F/q, where E represents the electric field strength, F is the force exerted on a charge, and q is the magnitude of that charge. This relationship highlights the direct proportionality between the force experienced by a charge and the strength of the electric field it is subjected to.In practical terms, the strength of electric field varies depending on the distance from the source charge and the amount of charge present. For instance, as one moves away from a positively charged object, the strength of electric field diminishes. This phenomenon can be observed when using a simple experiment with a balloon rubbed against hair. The balloon acquires a negative charge, creating an electric field around it. When small pieces of paper are brought close to the balloon, they are attracted due to the electric field's strength at that distance.Understanding the strength of electric field is crucial in several applications, including electronics, telecommunications, and even medical devices. In electronics, the design of circuit components such as capacitors and resistors relies heavily on the behavior of electric fields. The strength of electric field determines how these components function under different voltages, affecting overall circuit performance.In telecommunications, the strength of electric field plays a vital role in signal transmission. For example, antennas are designed to maximize the electric field strength to ensure clear communication over long distances. The efficiency of these systems depends on how well the strength of electric field is maintained throughout the transmission process.Moreover, in the medical field, devices like electrocardiograms (ECGs) utilize the principles of electric fields to monitor heart activity. Understanding the strength of electric field generated by the heart allows healthcare professionals to interpret the data accurately and diagnose potential issues.In conclusion, the strength of electric field is a critical concept that permeates various scientific and engineering disciplines. Its relevance extends from basic physics to advanced technological applications, showcasing the importance of electric fields in our daily lives. By grasping the fundamentals of the strength of electric field, we can better appreciate how electrical phenomena shape the world around us and influence numerous innovations in technology and medicine.

电场强度的概念在理解电力如何在各种物理系统中运作方面是基础性的。电场是由带电粒子产生的，其强度表明如果在该场中放置一个电荷，将会经历多大的力。电场强度可以使用公式 E = F/q 来量化，其中 E 代表电场强度，F 是施加在电荷上的力，q 是电荷的大小。这个关系突出了电荷所经历的力与其所处电场强度之间的直接正比关系。在实际操作中，电场强度因源电荷的距离和电荷的数量而异。例如，当人们远离一个带正电的物体时，电场强度会减弱。这种现象可以通过用气球摩擦头发的简单实验来观察到。气球获得了负电荷，在其周围形成了电场。当小纸片靠近气球时，由于电场的强度，它们会被吸引。理解电场强度在多个应用中至关重要，包括电子学、电信，甚至医疗设备。在电子学中，电路元件如电容器和电阻器的设计在很大程度上依赖于电场的行为。电场强度决定了这些元件在不同电压下的工作方式，从而影响整个电路的性能。在电信领域，电场强度在信号传输中发挥着重要作用。例如，天线被设计为最大化电场强度，以确保在长距离内清晰通信。这些系统的效率取决于电场强度在整个传输过程中的保持情况。此外，在医学领域，像心电图（ECG）这样的设备利用电场的原理来监测心脏活动。理解心脏产生的电场强度使医疗专业人员能够准确解释数据并诊断潜在问题。总之，电场强度是一个关键概念，贯穿于多个科学和工程学科。它的相关性从基础物理学扩展到先进的技术应用，展示了电场在我们日常生活中的重要性。通过掌握电场强度的基本知识，我们可以更好地欣赏电现象如何塑造我们周围的世界，并影响技术和医学中的众多创新。