negative charge

简明释义

负电荷

英英释义

例句

1.The negative charge 负电荷 of the electron is fundamental to electricity.

电子的负电荷是电力的基础.

2.A battery has a negative charge 负电荷 at its terminal.

电池在其端口有负电荷.

3.In an atom, electrons carry a negative charge 负电荷.

在一个原子中，电子携带负电荷.

4.When two balloons are rubbed together, one gains a negative charge 负电荷.

当两个气球摩擦在一起时，一个获得了负电荷.

5.In electrolysis, the cathode has a negative charge 负电荷.

在电解过程中，阴极带有负电荷.

作文

Understanding the concept of electric charge is fundamental in physics, and one of the key components of this concept is the idea of a negative charge. A negative charge refers to a type of electric charge carried by electrons, which are subatomic particles found in atoms. This charge is characterized by its ability to attract positive charges and repel other negative charges. In everyday life, we encounter the effects of negative charge in various ways, such as when we rub a balloon on our hair and then observe how it can stick to a wall or attract small pieces of paper. This phenomenon occurs due to the transfer of electrons, leading to an imbalance of charges. In the atomic structure, the nucleus contains protons, which have a positive charge, and neutrons, which are neutral. Electrons orbit the nucleus and possess a negative charge. The balance between these charges determines the stability of an atom. When an atom gains extra electrons, it becomes negatively charged, signifying an excess of negative charge. Conversely, if it loses electrons, it becomes positively charged. This exchange of electrons is crucial in chemical reactions, where atoms seek to achieve a stable electron configuration.The implications of negative charge extend beyond individual atoms. In electricity, for instance, the flow of electrons constitutes an electric current. Conductors, such as metals, allow electrons to move freely, facilitating the transfer of negative charge through a circuit. The behavior of negative charge is also essential in understanding electrical phenomena like static electricity, where an imbalance of charges results in the buildup of static electricity that can discharge suddenly, causing sparks.Moreover, the concept of negative charge plays a significant role in various technologies. For example, in semiconductor devices, the manipulation of negative charge carriers (electrons) and positive charge carriers (holes) is critical for the functionality of transistors, diodes, and integrated circuits. These devices are foundational to modern electronics, enabling everything from simple calculators to complex computer systems.In summary, the notion of negative charge is not only a fundamental aspect of atomic theory but also a crucial element in the broader context of electricity and technology. By understanding how negative charge interacts with other charges and materials, we can better appreciate the principles that govern both natural phenomena and engineered systems. As we continue to explore the world of physics, the significance of negative charge will undoubtedly remain a cornerstone of our scientific knowledge.

理解电荷的概念在物理学中是基础，而这个概念的一个关键组成部分是“负电荷”的概念。“负电荷”指的是由电子携带的一种电荷类型，电子是存在于原子中的亚原子粒子。这种电荷的特征是能够吸引正电荷并排斥其他负电荷。在日常生活中，我们以各种方式遇到“负电荷”的影响，例如当我们用气球摩擦头发时，然后观察它如何粘在墙上或吸引小纸片。这种现象是由于电子的转移，导致电荷的不平衡。在原子结构中，原子核包含带有正电荷的质子和中性的中子。电子围绕原子核旋转并具有负电荷。这些电荷之间的平衡决定了原子的稳定性。当一个原子获得额外的电子时，它变得带有负电荷，表示存在过量的负电荷。相反，如果它失去电子，则变为正电荷。这种电子的交换在化学反应中至关重要，其中原子寻求实现稳定的电子配置。“负电荷”的影响超出单个原子。在电力中，例如，电子的流动构成了电流。导体，如金属，允许电子自由移动，促进了通过电路的负电荷的转移。“负电荷”的行为在理解静电等电气现象中也至关重要，静电是电荷不平衡导致静电积聚，可能突然放电，产生火花。此外，“负电荷”的概念在各种技术中发挥着重要作用。例如，在半导体设备中，操控负电荷载流子（电子）和正电荷载流子（空穴）对晶体管、二极管和集成电路的功能至关重要。这些设备是现代电子的基础，使从简单的计算器到复杂的计算机系统成为可能。总之，“负电荷”的概念不仅是原子理论的基本方面，而且在电力和技术的更广泛背景中也是一个关键元素。通过理解负电荷如何与其他电荷和材料相互作用，我们可以更好地欣赏支配自然现象和工程系统的原理。随着我们继续探索物理世界，负电荷的重要性无疑将继续作为我们科学知识的基石。