effective resistance
简明释义
有效抵抗
英英释义
例句
1.Using Ohm's law, we can determine the effective resistance 有效电阻 for any given circuit.
利用欧姆定律,我们可以确定任何给定电路的有效电阻。
2.The circuit's total voltage is divided by the current to find the effective resistance 有效电阻.
电路的总电压除以电流可以找到有效电阻。
3.To optimize the circuit design, we must minimize the effective resistance 有效电阻 in the system.
为了优化电路设计,我们必须最小化系统中的有效电阻。
4.The effective resistance 有效电阻 of the resistors in series is simply the sum of their resistances.
串联电阻的有效电阻是它们电阻值的总和。
5.In this parallel circuit, we need to calculate the effective resistance 有效电阻 to ensure proper functioning.
在这个并联电路中,我们需要计算有效电阻以确保正常运作。
作文
In the realm of physics and engineering, the concept of effective resistance plays a crucial role in understanding how electrical circuits function. This term refers to the total opposition that a circuit presents to the flow of electric current, taking into account both the resistive elements and any reactive components such as capacitors and inductors. Understanding effective resistance is essential for designing efficient electrical systems and ensuring that devices operate within their intended parameters.To grasp the significance of effective resistance, one must first understand the basic principles of resistance in a circuit. Resistance is a measure of how much a material opposes the flow of electric current. It is measured in ohms, and according to Ohm’s Law, the voltage across a conductor is equal to the current flowing through it multiplied by the resistance. However, in real-world applications, circuits are rarely simple; they often include various components that can affect overall resistance.For instance, when resistors are connected in series, the effective resistance is simply the sum of all individual resistances. This means that if three resistors with values of 2 ohms, 3 ohms, and 5 ohms are connected in series, the effective resistance would be 10 ohms. On the other hand, when resistors are connected in parallel, the calculation is different. The effective resistance in a parallel circuit is found using the formula: 1/R_total = 1/R1 + 1/R2 + 1/R3, where R_total is the effective resistance and R1, R2, R3 are the individual resistances. This results in a lower effective resistance than any of the individual resistances, allowing more current to flow through the circuit.The importance of understanding effective resistance extends beyond theoretical calculations; it has practical implications in everyday technology. For example, in household wiring, knowing the effective resistance helps in determining the appropriate gauge of wire to use, ensuring safety and efficiency. If the effective resistance is too high, it can lead to overheating and potential fire hazards. Conversely, if it is too low, it may not provide the necessary protection against overcurrent situations.Moreover, the concept of effective resistance is also applicable in other fields, such as biology and social sciences. In biology, for instance, one might consider the effective resistance of a cell membrane to the flow of ions, which is crucial for maintaining homeostasis. In social sciences, effective resistance can refer to the ability of individuals or groups to oppose and withstand external pressures or influences, whether they be political, social, or economic.In conclusion, the term effective resistance encompasses a wide range of applications and implications across various disciplines. Whether in the context of electrical circuits, biological systems, or social dynamics, understanding this concept allows us to better analyze and design systems that are efficient, safe, and resilient. As technology continues to advance and our understanding of complex systems deepens, the relevance of effective resistance will undoubtedly remain a fundamental principle in both theory and practice.
在物理和工程领域,有效电阻的概念在理解电路如何运作方面起着至关重要的作用。这个术语指的是电路对电流流动所呈现的总阻抗,同时考虑到电阻元件和任何反应性组件(如电容器和电感器)。理解有效电阻对于设计高效的电气系统和确保设备在其预定参数内运行至关重要。要理解有效电阻的重要性,首先必须了解电路中电阻的基本原理。电阻是衡量材料对电流流动的阻碍程度。它以欧姆为单位,根据欧姆定律,导体上的电压等于流过它的电流乘以电阻。然而,在现实应用中,电路很少是简单的;它们通常包含各种组件,这些组件会影响整体电阻。例如,当电阻器串联连接时,有效电阻就是所有个别电阻的总和。这意味着如果三个电阻值分别为2欧姆、3欧姆和5欧姆的电阻器串联连接,则有效电阻将为10欧姆。另一方面,当电阻器并联连接时,计算方式则不同。并联电路中的有效电阻使用公式:1/R_total = 1/R1 + 1/R2 + 1/R3,其中R_total是有效电阻,R1、R2、R3是各个电阻。这导致的有效电阻低于任何单个电阻,从而允许更多电流通过电路。理解有效电阻的重要性不仅限于理论计算;它在日常技术中也具有实际意义。例如,在家庭布线中,了解有效电阻有助于确定使用适当规格的电线,以确保安全和效率。如果有效电阻过高,可能导致过热和潜在的火灾危险。相反,如果过低,可能无法提供必要的过电流保护。此外,有效电阻的概念还适用于其他领域,如生物学和社会科学。在生物学中,例如,可以考虑细胞膜对离子流动的有效电阻,这对维持稳态至关重要。在社会科学中,有效电阻可以指个人或群体抵御和抵抗外部压力或影响的能力,无论这些压力是政治、社会还是经济方面的。总之,有效电阻一词涵盖了各种学科的广泛应用和影响。无论是在电路、电生物系统还是社会动态的背景下,理解这一概念使我们能够更好地分析和设计高效、安全和韧性的系统。随着技术的不断进步和我们对复杂系统理解的加深,有效电阻的重要性无疑将继续作为理论和实践中的基本原则。