coefficient of resistance

简明释义

阻力系数

英英释义

The coefficient of resistance is a numerical value that quantifies how much a material opposes the flow of electric current, typically expressed in ohms per unit length.

电阻系数是一个数值,量化了材料对电流流动的阻碍程度,通常以每单位长度的欧姆表示。

例句

1.When designing circuits, engineers must consider the coefficient of resistance of each component.

在设计电路时,工程师必须考虑每个组件的电阻系数

2.In materials science, the coefficient of resistance is crucial for understanding how different materials conduct electricity.

在材料科学中,电阻系数对于理解不同材料如何导电至关重要。

3.A lower coefficient of resistance indicates a better conductor, which is essential for efficient electrical systems.

较低的电阻系数表示更好的导体,这对高效电气系统至关重要。

4.The engineer calculated the coefficient of resistance to determine how much energy would be lost in the circuit.

工程师计算了电阻系数以确定电路中会损失多少能量。

5.The coefficient of resistance can vary with temperature, affecting the performance of electronic devices.

随着温度的变化,电阻系数可能会有所不同,这会影响电子设备的性能。

作文

The concept of resistance is fundamental in the field of physics and engineering, particularly when discussing electrical circuits. One important aspect of this concept is the coefficient of resistance, which is a measure of how strongly a material opposes the flow of electric current. This property is critical for designing and understanding electronic devices, as it helps engineers determine how much energy will be lost as heat when current flows through a conductor. To grasp the significance of the coefficient of resistance (电阻系数), we must first understand what resistance itself entails. Resistance is determined by several factors, including the material's intrinsic properties, its dimensions, and the temperature at which it operates. Different materials exhibit different levels of resistance; for instance, metals like copper and aluminum have low resistance, making them excellent conductors, while materials like rubber and glass have high resistance, categorizing them as insulators. The coefficient of resistance is often represented by the symbol 'ρ' (rho) in scientific equations. It is defined as the resistance of a unit cube of the material when measured at a specific temperature. This coefficient varies with temperature, which means that as the temperature increases, the resistance of most conductors also increases. Understanding this relationship is crucial for engineers who must account for temperature fluctuations in their designs.In practical applications, knowing the coefficient of resistance (电阻系数) allows engineers to calculate the expected voltage drop across a conductor and ensure that it operates efficiently without overheating. For example, when designing power lines, engineers must choose materials with an appropriate coefficient of resistance to minimize energy losses during transmission. A lower coefficient means less energy wasted as heat, leading to more efficient power distribution.Moreover, the coefficient of resistance is not only relevant for electrical circuits but also plays a significant role in other fields such as thermodynamics and fluid dynamics. In these areas, similar principles apply; for instance, the resistance to flow in fluids can be described using analogous coefficients that help predict how substances behave under various conditions.In conclusion, the coefficient of resistance (电阻系数) is a vital parameter in the study of electrical and physical systems. Its implications extend beyond simple calculations, influencing the design and efficiency of countless devices and systems we rely on daily. By understanding this concept, engineers and scientists can innovate and improve technology, ultimately enhancing our quality of life. As we continue to advance in the realm of electronics and materials science, the importance of accurately measuring and applying the coefficient of resistance cannot be overstated.

电阻的概念在物理和工程领域中是基础性的,特别是在讨论电路时。这个概念的一个重要方面是电阻系数,它是衡量材料对电流流动的强烈抵抗程度。这一特性对于设计和理解电子设备至关重要,因为它帮助工程师确定当电流通过导体时会有多少能量以热的形式损失。要理解电阻系数coefficient of resistance)的重要性,我们首先必须了解电阻本身的含义。电阻由多个因素决定,包括材料的内在特性、其尺寸以及其操作的温度。不同材料表现出不同的电阻;例如,铜和铝等金属具有低电阻,使它们成为优秀的导体,而橡胶和玻璃等材料则具有高电阻,将其归类为绝缘体。电阻系数通常在科学方程中用符号'ρ'(rho)表示。它被定义为在特定温度下测量的单位立方体材料的电阻。这个系数随着温度的变化而变化,这意味着当温度升高时,大多数导体的电阻也会增加。理解这一关系对于必须考虑设计中温度波动的工程师至关重要。在实际应用中,了解电阻系数(电阻系数)使工程师能够计算导体上的预期电压降,并确保其高效运行而不会过热。例如,在设计电力线路时,工程师必须选择具有适当电阻系数的材料,以最小化传输过程中的能量损失。较低的系数意味着浪费的热能更少,从而导致更高效的电力分配。此外,电阻系数不仅与电路相关,还在热力学和流体动力学等其他领域中发挥着重要作用。在这些领域中,类似的原理适用;例如,流体流动的阻力可以使用类似的系数来描述,这些系数帮助预测物质在各种条件下的行为。总之,电阻系数(电阻系数)是电气和物理系统研究中的重要参数。它的影响超越了简单的计算,影响着我们日常依赖的无数设备和系统的设计和效率。通过理解这一概念,工程师和科学家可以创新和改进技术,最终提高我们的生活质量。随着我们在电子和材料科学领域的不断进步,准确测量和应用电阻系数的重要性不容小觑。