ohmic resistance

简明释义

欧姆电阻

英英释义

例句

1.The circuit demonstrated a consistent voltage drop across the component, indicating a stable ohmic resistance 欧姆电阻.

电路在元件上显示出稳定的电压降，这表明有一个稳定的ohmic resistance 欧姆电阻。

2.We need to calculate the ohmic resistance 欧姆电阻 before proceeding with the circuit design.

在进行电路设计之前，我们需要计算ohmic resistance 欧姆电阻。

3.When the temperature increases, the ohmic resistance 欧姆电阻 of metals typically rises as well.

当温度升高时，金属的ohmic resistance 欧姆电阻通常也会增加。

4.In this experiment, we measured the ohmic resistance 欧姆电阻 of various materials to determine their conductive properties.

在这个实验中，我们测量了各种材料的ohmic resistance 欧姆电阻以确定它们的导电性能。

5.The ohmic resistance 欧姆电阻 of this resistor was measured at 10 ohms.

这个电阻器的ohmic resistance 欧姆电阻被测量为10欧姆。

作文

Understanding the concept of ohmic resistance is essential for anyone studying electrical engineering or physics. This term refers to the property of a conductor that describes how it resists the flow of electric current. In simple terms, ohmic resistance can be defined as the ratio of voltage across a conductor to the current flowing through it, following Ohm's Law. This law states that V = IR, where V is voltage, I is current, and R is resistance. This relationship indicates that if the voltage increases, the current will also increase proportionally, assuming the resistance remains constant.The significance of ohmic resistance lies in its predictability. Materials that exhibit ohmic resistance obey Ohm's Law consistently, meaning their resistance does not change with varying voltage or current levels. Common examples of such materials include metals like copper and aluminum. These materials are widely used in electrical wiring due to their low ohmic resistance, which allows for efficient current flow without excessive energy loss in the form of heat.On the other hand, there are materials known as non-ohmic conductors. These materials do not follow Ohm's Law; their ohmic resistance can change depending on the voltage or current applied. A classic example is a diode, which allows current to flow in one direction while blocking it in the opposite direction. Understanding the difference between ohmic and non-ohmic materials is crucial for designing electronic circuits and systems.In practical applications, knowing the ohmic resistance of a material helps engineers and technicians ensure that electrical systems operate safely and efficiently. For instance, in power distribution networks, minimizing ohmic resistance is vital to reduce energy losses during transmission. High ohmic resistance can lead to significant heat generation, which may damage components and pose safety risks.Moreover, the concept of ohmic resistance extends beyond just simple circuits. In complex systems, such as those found in renewable energy technologies, understanding ohmic resistance becomes even more critical. For example, solar panels have an inherent ohmic resistance that affects their efficiency. Engineers must consider this resistance when designing systems to maximize energy conversion and minimize losses.In summary, ohmic resistance is a fundamental concept in electrical engineering that describes how materials resist electric current. Understanding this property is crucial for designing efficient electrical systems, whether they are simple circuits or complex renewable energy installations. By mastering the principles of ohmic resistance, students and professionals can contribute to advancements in technology and energy efficiency, ultimately leading to a more sustainable future.

理解欧姆电阻的概念对于任何学习电气工程或物理的人来说都是至关重要的。这个术语指的是导体的特性，描述了它对电流流动的阻力。简单来说，欧姆电阻可以定义为导体两端的电压与流过它的电流的比率，这遵循欧姆定律。该定律指出V = IR，其中V是电压，I是电流，R是电阻。这种关系表明，如果电压增加，电流也会成比例地增加，假设电阻保持不变。欧姆电阻的重要性在于其可预测性。表现出欧姆电阻的材料始终遵循欧姆定律，这意味着它们的电阻不会随着电压或电流水平的变化而变化。常见的此类材料包括铜和铝等金属。这些材料因其低欧姆电阻而广泛用于电缆中，因为它们可以有效地传导电流，而不会以热量的形式大量损失能量。另一方面，还有一些被称为非欧姆导体的材料。这些材料不遵循欧姆定律；它们的欧姆电阻可能会根据施加的电压或电流而变化。一个经典的例子是二极管，它允许电流在一个方向上流动，同时阻止其在相反方向上的流动。理解欧姆材料和非欧姆材料之间的区别对于设计电子电路和系统至关重要。在实际应用中，了解材料的欧姆电阻有助于工程师和技术人员确保电气系统安全高效地运行。例如，在电力分配网络中，减少欧姆电阻对于降低传输过程中的能量损失至关重要。高欧姆电阻可能导致显著的热量产生，这可能损坏组件并构成安全风险。此外，欧姆电阻的概念不仅限于简单电路。在复杂系统中，例如在可再生能源技术中，理解欧姆电阻变得更加关键。例如，太阳能电池板具有固有的欧姆电阻，这会影响其效率。工程师在设计系统时必须考虑这种电阻，以最大化能量转换并最小化损失。总之，欧姆电阻是电气工程中的一个基本概念，描述了材料如何抵抗电流。理解这一特性对于设计高效的电气系统至关重要，无论是简单电路还是复杂的可再生能源装置。通过掌握欧姆电阻的原理，学生和专业人士可以为技术和能源效率的进步做出贡献，最终推动更可持续的未来。