coulombs

简明释义

英[ˈkuːlɒmz]美[ˈkuːloʊmz]

库

英英释义

单词用法

同义词

反义词

例句

1.The instrument is used in the charge (or coulombs) mode and its internal voltage source provides the step voltage.

使用仪器的电荷(库仑)模式，其内部电压源提供步进电压。

2.It bears a negative charge and the value of minus 1.6 times 10 to the 19 coulombs.

电子是带负电荷的，并且，负电的值为1。6乘以10到19，库伦。

3.With impunity. If I use coulombs here and volts here, I don't even think.

没有关系，如果在这里用库仑和伏特，我想都没想。

4.The sensitivity of such detectors can reach tens to hundreds of coulombs / gram, the minimum detection of up to 10-11 grams.

此类检测器的灵敏度可达几十到几百库仑/克，最小检测量可达10-11克。

5.An analytical method for determining the amount of a substance released during electrolysis in which the number of coulombs used is measured.

库仑测定法，电量测定法：一种分析方法，用测量消耗的库仑数来测定电解过程中释放出的物质的量。

6.By analyzing the interaction of the locomotor charges and using simple geometrical relationship and the Coulombs law, we provide a new interpretation for the Ampere force law.

目的在于避开磁场概念 ，只从静电场理论的角度讨论电磁问题 ，通过对运动电荷相互作用力的分析 ，运用简单的几何关系和库仑定律 ，重新诠释了安培力定律。

7.To extend the coulombs ranges, an external capacitor is used as the feedback element.

为了扩展库仑测量范围，使用外部电容器作为反馈元件。

8.COULOMBS measure electric charge (that can occur if said area is a synthetic carpet)

库仑是测量静电电荷的单位（如果前述面积是一块合成纤维地毯的话，这种情况就有可能发生。）

9.One ampere flowing for one second equals one 库仑.

一个安培流动一秒钟等于一个库仑。

10.A lightning strike can discharge millions of 库仑 in a fraction of a second.

闪电可以在瞬间释放数百万库仑的电荷。

11.The battery can store up to 1000 库仑 of charge.

这个电池可以储存高达1000库仑的电荷。

12.The capacitor stores energy in the form of 库仑.

电容器以库仑的形式储存能量。

13.In a circuit, the current is measured in amperes, which relates to 库仑 over time.

在电路中，电流以安培为单位测量，与时间有关的库仑。

作文

In the world of physics and electrical engineering, understanding the concept of charge is crucial. One of the fundamental units used to measure electric charge is the coulomb, which is defined as the amount of charge transported by a constant current of one ampere in one second. The coulomb is named after Charles-Augustin de Coulomb, a French physicist who made significant contributions to the study of electrostatics. To put it simply, when we talk about coulombs, we are discussing the quantity of electricity that flows through a conductor. Electric charge exists in two types: positive and negative. Protons carry a positive charge, while electrons carry a negative charge. When these charges interact, they create electric forces. The unit coulomb helps us quantify these interactions. For instance, if you have a static electricity buildup, you can measure the charge in coulombs to understand how much energy is stored. This is particularly important in applications like capacitors, where energy storage is key.In practical terms, the coulomb is often used in various calculations involving electric circuits. For example, if an electric device operates at a current of 2 amperes for 3 seconds, the total charge transferred can be calculated using the formula: Charge (Q) = Current (I) × Time (t). In this case, Q = 2 A × 3 s = 6 coulombs. This simple calculation illustrates how coulombs provide a straightforward way to quantify electric charge in everyday situations.Moreover, the concept of coulombs extends beyond basic calculations; it plays a pivotal role in understanding more complex phenomena such as electric fields and potentials. The relationship between charge and electric field strength is described by Coulomb's Law, which states that the force between two charged objects is directly proportional to the product of their charges (measured in coulombs) and inversely proportional to the square of the distance between them. This law not only helps us analyze static electricity but also lays the groundwork for understanding electromagnetic interactions.Furthermore, the coulomb is also essential in the study of batteries and energy storage systems. Batteries store electrical energy in the form of chemical energy and release it as electric charge measured in coulombs. The capacity of a battery is often expressed in ampere-hours (Ah), which can be converted to coulombs for precise calculations. For instance, a battery rated at 1 Ah can deliver 3600 coulombs of charge over one hour. Understanding this relationship allows engineers and scientists to design more efficient energy storage solutions.In conclusion, the coulomb is a fundamental unit of electric charge that plays a vital role in both theoretical and practical aspects of physics and engineering. Whether it's calculating the charge in an electric circuit, understanding the forces between charged particles, or analyzing the performance of batteries, the concept of coulombs is indispensable. As technology continues to advance, the importance of mastering this unit will only grow, making it essential for students and professionals in the field to have a solid grasp of what coulombs represent in the realm of electricity and magnetism.

在物理学和电气工程的世界中，理解电荷的概念至关重要。用于测量电荷的基本单位之一是库仑，它被定义为在一秒钟内由一个安培的恒定电流输送的电荷量。库仑这个名称源于法国物理学家查尔斯-奥古斯丁·库仑，他对静电学的研究做出了重要贡献。简单来说，当我们谈论库仑时，我们是在讨论流经导体的电量。电荷有两种类型：正电荷和负电荷。质子带有正电荷，而电子带有负电荷。当这些电荷相互作用时，它们会产生电力。单位库仑帮助我们量化这些相互作用。例如，如果你有静电积累，你可以用库仑来测量电荷，以了解存储了多少能量。这在电容器等应用中尤为重要，因为能量存储是关键。在实际操作中，库仑常用于各种电路的计算中。例如，如果一个电气设备以2安培的电流运行3秒钟，则可以使用公式：电荷（Q）= 电流（I）× 时间（t）来计算所转移的总电荷。在这种情况下，Q = 2 A × 3 s = 6 库仑。这个简单的计算说明了库仑如何在日常情况下提供量化电荷的简单方法。此外，库仑的概念超越了基本计算；它在理解电场和电势等更复杂现象方面发挥着关键作用。电荷与电场强度之间的关系由库仑定律描述，该定律指出两个带电物体之间的力与它们的电荷（以库仑为单位）的乘积成正比，与它们之间距离的平方成反比。这个定律不仅帮助我们分析静电，还为理解电磁相互作用奠定了基础。此外，库仑在电池和能源存储系统的研究中也是必不可少的。电池以化学能的形式储存电能，并以电荷的形式释放出来，电荷以库仑为单位进行测量。电池的容量通常以安培小时（Ah）表示，可以转换为库仑以进行精确计算。例如，一个额定为1 Ah的电池可以在一个小时内提供3600 库仑的电荷。理解这种关系使工程师和科学家能够设计出更高效的能源存储解决方案。总之，库仑是一个基本的电荷单位，在物理学和工程学的理论和实践方面都扮演着重要角色。无论是计算电路中的电荷、理解带电粒子之间的力，还是分析电池的性能，库仑的概念都是不可或缺的。随着技术的不断进步，掌握这一单位的重要性只会增加，因此学生和专业人士在该领域必须牢固掌握库仑在电力和磁力领域所代表的意义。