electric potential

简明释义

电位

英英释义

例句

1.The electric potential 电势 difference between two points drives the current through the conductor.

两个点之间的电势差驱动导体中的电流。

2.An increase in electric potential 电势 can lead to a higher likelihood of electrical discharge.

增加的电势可能导致更高的电放电概率。

3.The battery provides a constant electric potential 电势 that powers the circuit.

电池提供一个恒定的电势，为电路供电。

4.In electrostatics, the concept of electric potential 电势 is crucial for understanding forces between charges.

在静电学中，电势的概念对于理解电荷之间的力至关重要。

5.When measuring the electric potential 电势 at different points in a circuit, you can identify where energy is being lost.

在电路的不同点测量电势时，可以识别出能量损失的位置。

作文

Electric potential, often referred to as voltage, is a fundamental concept in the field of electromagnetism. It describes the potential energy per unit charge at a specific point in an electric field. Understanding electric potential (电势) is crucial for anyone studying physics or electrical engineering, as it lays the groundwork for analyzing circuits and understanding how electric forces operate.To grasp the idea of electric potential, we can start by imagining a simple scenario: a charged particle in an electric field. The work done to move a charge from one point to another against the electric field is what defines its electric potential. The greater the amount of work needed, the higher the electric potential at that point. This is why we often think of electric potential as a measure of energy; it tells us how much energy a charge would have at a particular location in the field.One common analogy used to explain electric potential is that of water in a reservoir. Imagine a water tank at a certain height; the water has gravitational potential energy due to its position. Similarly, a charge in an electric field has electric potential energy based on its position relative to other charges. Just as water flows from higher to lower potential energy, electric charges will move from areas of high electric potential to low electric potential, creating current.The unit of electric potential is the volt (V), named after the Italian scientist Alessandro Volta. One volt is defined as the potential difference that would drive one ampere of current against one ohm of resistance. This relationship between electric potential, current, and resistance is encapsulated in Ohm's Law, which is a cornerstone of electrical engineering.In practical applications, understanding electric potential is essential for designing and analyzing electrical circuits. For instance, when engineers design a circuit, they must consider the electric potential at various points to ensure that components receive the correct voltage. If a component receives too much or too little electric potential, it may malfunction or become damaged.Moreover, the concept of electric potential extends beyond simple circuits. In more complex systems, such as those found in electronics and power distribution, the electric potential plays a critical role in determining how energy is transmitted and utilized. For example, in power lines, high electric potential is used to transmit electricity over long distances efficiently, minimizing energy loss due to resistance.In conclusion, electric potential (电势) is a vital concept in understanding the behavior of electric charges in fields, circuits, and various applications in technology. By comprehending electric potential, we can better understand the principles that govern electrical systems and harness this knowledge to innovate and improve our technological landscape. Whether you are a student, an engineer, or simply someone interested in the workings of electricity, mastering the concept of electric potential is indispensable for exploring the fascinating world of electromagnetism.

电势，通常被称为电压，是电磁学领域的一个基本概念。它描述了在电场中特定点的单位电荷的潜在能量。理解电势（electric potential）对任何学习物理或电气工程的人来说都是至关重要的，因为它为分析电路和理解电力如何运作奠定了基础。为了掌握电势的概念，我们可以先想象一个简单的场景：在电场中的带电粒子。将电荷从电场中一个点移动到另一个点所做的功定义了其电势。需要的功越大，该点的电势就越高。这就是为什么我们常常把电势看作是能量的度量；它告诉我们电荷在电场中特定位置的能量有多少。一个常用的类比来解释电势是水库中的水。想象一个高处的水箱；由于其位置，水具有重力势能。类似地，电场中的电荷根据其相对于其他电荷的位置具有电势能量。就像水从高势能流向低势能一样，电荷也会从高电势区域移动到低电势区域，从而产生电流。电势的单位是伏特（V），以意大利科学家亚历山德罗·伏打的名字命名。一个伏特被定义为在一个欧姆电阻下驱动一个安培电流所需的电位差。这个关于电势、电流和电阻之间的关系被称为欧姆定律，它是电气工程的基石。在实际应用中，理解电势对于设计和分析电路至关重要。例如，当工程师设计电路时，必须考虑各个点的电势，以确保组件接收到正确的电压。如果组件接收到过多或过少的电势，可能会出现故障或损坏。此外，电势的概念超越了简单的电路。在更复杂的系统中，例如电子学和电力分配，电势在确定能量如何传输和利用方面发挥着关键作用。例如，在电力线路中，高电势用于有效地在长距离上传输电力，最小化因电阻导致的能量损失。总之，电势（electric potential）是理解电荷在电场、电路和各种技术应用中行为的重要概念。通过理解电势，我们可以更好地理解支配电气系统的原理，并利用这些知识来创新和改善我们的技术环境。无论你是学生、工程师，还是仅仅对电力的运作感兴趣的人，掌握电势的概念对于探索电磁学的迷人世界都是不可或缺的。