electric charge

简明释义

电荷

英英释义

例句

1.In a circuit, the flow of electric charge is what powers the devices.

在电路中，电荷的流动是为设备供电的原因。

2.The balloon can stick to the wall because it has an excess of electric charge.

气球可以粘在墙上，因为它有多余的电荷。

3.An electric charge can be positive or negative depending on the type of particles involved.

电荷可以是正的或负的，具体取决于涉及的粒子类型。

4.When you rub your feet on the carpet, you build up electric charge.

当你在地毯上摩擦脚时，你会积累电荷。

5.The electric charge from the lightning bolt can cause fires.

闪电的电荷可以引发火灾。

作文

Electricity plays a crucial role in our daily lives, powering everything from our smartphones to our homes. At the heart of electricity is the concept of electric charge, which is fundamental to understanding how electrical systems work. An electric charge can be defined as a physical property of matter that causes it to experience a force when placed in an electromagnetic field. This property comes in two types: positive and negative. The interactions between these charges lead to the phenomena we observe in everyday life, such as lightning and static electricity.Understanding electric charge begins with the atomic structure of matter. Atoms consist of protons, neutrons, and electrons. Protons carry a positive electric charge, while electrons carry a negative electric charge. Neutrons, on the other hand, are neutral and do not have any electric charge. In a neutral atom, the number of protons equals the number of electrons, balancing the overall electric charge to zero. However, when an atom gains or loses electrons, it becomes an ion, acquiring a net electric charge.The behavior of electric charge is governed by several fundamental principles. One of the most important laws is Coulomb's Law, which describes the force between two charged objects. According to this law, like charges repel each other, while opposite charges attract. This principle explains why your hair stands on end after you rub a balloon against it; the balloon acquires a negative electric charge, and your hair, having lost some electrons, becomes positively charged.In practical applications, electric charge is harnessed to create electric currents, which are essential for powering devices. When a voltage is applied across a conductor, such as a copper wire, electrons flow through the material, creating an electric current. This flow of electric charge is what powers our electronics, lights up our homes, and drives motors in various appliances.The study of electric charge extends beyond just the basics of electricity. It also encompasses complex topics such as capacitance, where materials store electric charge, and inductance, where a changing electric charge creates a magnetic field. These concepts are vital in designing circuits and understanding how different components interact within an electrical system.Moreover, the implications of electric charge stretch into various fields, including physics, engineering, and even medicine. For instance, in medical technologies, the principles of electric charge are utilized in devices like electrocardiograms (ECGs) and defibrillators, which monitor and regulate the electric charge activity of the heart.In conclusion, the concept of electric charge is foundational to our understanding of electricity and its applications. From the atomic level to practical devices, electric charge influences countless aspects of modern life. By grasping this concept, we can better appreciate the technology that surrounds us and the scientific principles that govern it. As we continue to explore the complexities of electric charge, we unlock new possibilities for innovation and advancement in various fields.

电力在我们的日常生活中发挥着至关重要的作用，为我们的智能手机到家庭等一切提供动力。在电力的核心是“电荷”这一概念，它是理解电气系统如何工作的基础。“电荷”可以定义为物质的一种物理属性，当置于电磁场中时，会导致其体验到一种力。这种属性有两种类型：正电荷和负电荷。这些电荷之间的相互作用导致我们在日常生活中观察到的现象，例如闪电和静电。理解“电荷”始于物质的原子结构。原子由质子、中子和电子组成。质子带有正“电荷”，而电子带有负“电荷”。中子则是中性的，没有任何“电荷”。在一个中性原子中，质子的数量等于电子的数量，使整体“电荷”平衡为零。然而，当一个原子获得或失去电子时，它就会变成离子，获得净“电荷”。“电荷”的行为受几个基本原则的支配。其中最重要的法律之一是库仑定律，它描述了两个带电物体之间的力。根据这一定律，同种电荷相互排斥，而异种电荷相互吸引。这一原则解释了为什么你在摩擦气球后头发会竖起来；气球获得了负“电荷”，而你的头发由于失去了一些电子而变得带正电。在实际应用中，“电荷”被利用来产生电流，这对于为设备供电至关重要。当电压施加在导体上，例如铜线时，电子通过材料流动，形成电流。这个“电荷”的流动就是为我们的电子设备供电、照亮我们的家以及驱动各种电器中的电动机。“电荷”的研究超越了电力的基础知识。它还包括复杂的主题，如电容，其中材料储存“电荷”，以及电感，其中变化的“电荷”产生磁场。这些概念对于设计电路和理解不同组件在电气系统中如何相互作用至关重要。此外，“电荷”的影响延伸到多个领域，包括物理学、工程学，甚至医学。例如，在医疗技术中，“电荷”的原理被用于心电图（ECG）和除颤器等设备，这些设备监测和调节心脏的“电荷活动。总之，“电荷”这一概念是我们理解电力及其应用的基础。从原子水平到实际设备，“电荷”影响着现代生活的无数方面。通过掌握这一概念，我们可以更好地欣赏周围的技术以及支配它的科学原理。当我们继续探索“电荷”的复杂性时，我们为各个领域的创新和进步解锁了新的可能性。