total resistance
简明释义
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整体阻碍,等于电路中所有个别电阻的总和。 |
例句
1.In a series circuit, the total resistance 总电阻 is the sum of all individual resistances.
在串联电路中,总电阻 总电阻 是所有单个电阻的总和。
2.When designing a circuit, it’s crucial to know the total resistance 总电阻 to prevent overheating.
在设计电路时,了解总电阻 总电阻至关重要,以防止过热。
3.The total resistance 总电阻 of the circuit increased when more resistors were added in series.
当更多电阻器以串联方式添加时,电路的总电阻 总电阻增加。
4.The engineer measured the total resistance 总电阻 to ensure the circuit would function properly.
工程师测量了总电阻 总电阻以确保电路正常工作。
5.To calculate the total resistance 总电阻 in parallel circuits, use the formula 1/Rt = 1/R1 + 1/R2 + ...
要计算并联电路中的总电阻 总电阻,请使用公式 1/Rt = 1/R1 + 1/R2 + ...。
作文
In the world of physics and electrical engineering, understanding the concept of total resistance (总电阻) is crucial for analyzing circuits. When multiple resistors are connected in a circuit, the overall resistance that the current encounters is not simply the sum of individual resistances; rather, it depends on whether the resistors are arranged in series or parallel. This distinction is essential for anyone looking to design or troubleshoot electrical systems.When resistors are connected in series, the total resistance (总电阻) can be calculated by simply adding the resistance values together. For example, if three resistors with resistances of 2 ohms, 3 ohms, and 5 ohms are connected in series, the total resistance (总电阻) would be 2 + 3 + 5 = 10 ohms. This is because the electric current must pass through each resistor one after another, facing the cumulative resistance.On the other hand, when resistors are connected in parallel, the calculation for total resistance (总电阻) becomes more complex. The formula used is 1/R_total = 1/R1 + 1/R2 + 1/R3, where R_total is the total resistance (总电阻) and R1, R2, and R3 are the individual resistances. This arrangement allows the current to take multiple paths, effectively reducing the overall resistance. For instance, if we have two resistors of 4 ohms and 6 ohms in parallel, the total resistance (总电阻) would be calculated as follows: 1/R_total = 1/4 + 1/6. Finding a common denominator gives us 1/R_total = 3/12 + 2/12 = 5/12, thus R_total = 12/5 = 2.4 ohms.The significance of total resistance (总电阻) extends beyond simple calculations. In practical applications, knowing the total resistance (总电阻) helps engineers and technicians determine how much voltage will drop across each component in a circuit, which is vital for ensuring that devices operate within their specifications. If the total resistance (总电阻) is too high, it may lead to insufficient current reaching critical components, resulting in malfunction or failure.Moreover, understanding the total resistance (总电阻) is also important for energy efficiency. By analyzing the resistance in a circuit, one can identify areas where energy loss occurs, often in the form of heat due to resistive losses. This knowledge allows for better design choices, such as selecting appropriate materials and configurations to minimize resistance and improve overall efficiency.In conclusion, the concept of total resistance (总电阻) is foundational in the study of electrical circuits. Whether in academic settings or real-world applications, mastering this concept enables individuals to design, analyze, and optimize electrical systems effectively. As technology continues to advance, the principles surrounding total resistance (总电阻) will remain relevant, underscoring the importance of this fundamental concept in both education and industry.