total resistance
简明释义
总阻力总电阻
英英释义
Total resistance refers to the overall opposition to the flow of electric current in a circuit, which is the sum of all individual resistances present. | 总电阻是指电路中对电流流动的总体阻力,它是所有单个电阻之和。 |
例句
1.The circuit's total resistance 总电阻 can be calculated using Ohm's Law.
该电路的总电阻 total resistance可以通过欧姆定律计算。
2.In parallel circuits, the formula for total resistance 总电阻 is different from that of series circuits.
在并联电路中,总电阻 total resistance的公式与串联电路不同。
3.To find the total resistance 总电阻 in a series circuit, simply add the resistance values together.
要在串联电路中找到总电阻 total resistance,只需将电阻值相加即可。
4.When calculating the total resistance 总电阻, remember to convert all resistances to ohms.
在计算总电阻 total resistance时,请记得将所有电阻转换为欧姆。
5.The total resistance 总电阻 of the circuit was too high, causing the device to malfunction.
电路的总电阻 total resistance过高,导致设备故障。
作文
In the study of electrical circuits, one of the fundamental concepts is that of total resistance. The total resistance (总电阻) in a circuit is crucial for understanding how electricity flows and how various components interact with each other. Essentially, it represents the overall opposition that the circuit presents to the flow of electric current. When designing or analyzing a circuit, determining the total resistance is essential for predicting how much current will flow through the circuit when a certain voltage is applied.To calculate the total resistance, one must consider whether the resistors in the circuit are arranged in series or parallel. In a series circuit, the total resistance is simply the sum of all individual resistances. For example, if three resistors with values of 2 ohms, 3 ohms, and 5 ohms are connected in series, the total resistance would be 2 + 3 + 5 = 10 ohms. This straightforward calculation illustrates how resistors can add up their resistance, making it easier to understand why the current is reduced in series configurations.On the other hand, when resistors are connected in parallel, the calculation for total resistance becomes slightly more complex. The formula for finding the total resistance in a parallel circuit is given by the reciprocal of the sum of the reciprocals of each individual resistance. For instance, if there are two resistors of 4 ohms and 6 ohms connected in parallel, the total resistance can be calculated using the formula: 1/R_total = 1/R1 + 1/R2. Thus, 1/R_total = 1/4 + 1/6, which simplifies to R_total = 2.4 ohms. This demonstrates how parallel connections can decrease the overall resistance, allowing more current to flow through the circuit.Understanding total resistance is not only important for theoretical calculations but also has practical implications in everyday life. For example, when selecting components for electronic devices, engineers must ensure that the total resistance is suitable for the desired performance. If the total resistance is too high, the device may not function properly due to insufficient current. Conversely, if the total resistance is too low, it could lead to excessive current flow, potentially damaging the components.Moreover, the concept of total resistance extends beyond simple circuits. In real-world applications, factors such as temperature, material properties, and even the physical layout of the circuit can affect the total resistance. Engineers must take these variables into account to ensure that their designs are robust and reliable.In conclusion, the concept of total resistance is a cornerstone of electrical engineering. It provides a clear framework for analyzing and designing circuits, ensuring that they operate efficiently and effectively. By mastering the principles of total resistance, students and professionals alike can enhance their understanding of electrical systems and contribute to advancements in technology. The importance of this concept cannot be overstated, as it plays a critical role in everything from household appliances to complex industrial machinery.
在电路学习中,一个基本概念是总电阻(total resistance)。电路中的total resistance(总电阻)对于理解电流的流动以及各种组件之间的互动至关重要。它本质上表示电路对电流流动的整体阻碍。当设计或分析电路时,确定total resistance对于预测在施加一定电压时电路中将流过多少电流是必不可少的。计算total resistance时,必须考虑电路中电阻器是串联还是并联。在串联电路中,total resistance只是所有单个电阻的总和。例如,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total resistance将为2 + 3 + 5 = 10欧姆。这种简单的计算说明了电阻器如何累加其电阻,从而更容易理解为什么在串联配置中电流会减少。另一方面,当电阻器以并联方式连接时,total resistance的计算变得稍微复杂一些。并联电路中total resistance的计算公式是每个单独电阻倒数之和的倒数。例如,如果有两个电阻分别为4欧姆和6欧姆并联连接,则可以使用公式计算total resistance:1/R_total = 1/R1 + 1/R2。因此,1/R_total = 1/4 + 1/6,简化后得到R_total = 2.4欧姆。这表明并联连接可以降低整体电阻,从而允许更多电流通过电路。理解total resistance不仅对理论计算重要,而且在日常生活中也具有实际意义。例如,在选择电子设备的组件时,工程师必须确保total resistance适合所需的性能。如果total resistance过高,设备可能因电流不足而无法正常工作。相反,如果total resistance过低,则可能导致电流过大,可能损坏组件。此外,total resistance的概念超出了简单电路。在实际应用中,温度、材料特性甚至电路的物理布局等因素都可能影响total resistance。工程师必须考虑这些变量,以确保他们的设计坚固可靠。总之,total resistance的概念是电气工程的基石。它提供了分析和设计电路的清晰框架,确保它们高效有效地运行。通过掌握total resistance的原理,学生和专业人士都可以增强对电气系统的理解,并为技术进步做出贡献。这个概念的重要性不言而喻,因为它在从家用电器到复杂工业机械的所有领域中都发挥着关键作用。