ohmic resistance

简明释义

直羚阻

英英释义

例句

1.The circuit shows a constant current flow, indicating that the ohmic resistance 欧姆电阻 is stable.

电路显示出恒定的电流流动，表明ohmic resistance 欧姆电阻是稳定的。

2.When measuring the ohmic resistance 欧姆电阻 of a wire, ensure the power is turned off to avoid shocks.

在测量一根电线的ohmic resistance 欧姆电阻时，确保电源关闭以避免触电。

3.A lower ohmic resistance 欧姆电阻 in materials can lead to more efficient energy transmission.

材料中较低的ohmic resistance 欧姆电阻可以导致更高效的能量传输。

4.In this experiment, we will calculate the ohmic resistance 欧姆电阻 using Ohm's law.

在这个实验中，我们将使用欧姆定律计算ohmic resistance 欧姆电阻。

5.The ohmic resistance 欧姆电阻 of this resistor is 100 ohms, which is suitable for our circuit design.

这个电阻器的ohmic resistance 欧姆电阻是100欧姆，适合我们的电路设计。

作文

In the realm of electrical engineering and physics, understanding the concept of ohmic resistance is crucial for anyone involved in these fields. Ohmic resistance, defined as the resistance that follows Ohm's Law, plays a significant role in how electrical circuits function. According to Ohm's Law, the current flowing through a conductor between two points is directly proportional to the voltage across the two points. This relationship can be expressed mathematically as V = IR, where V represents voltage, I represents current, and R represents resistance. The term ohmic resistance specifically refers to the constant resistance offered by a conductor when the voltage and current are in phase with each other.The importance of ohmic resistance can be seen in various practical applications. For example, in household electrical systems, wires have a certain level of ohmic resistance that determines how much current can safely flow through them without overheating. If the resistance is too high for the given voltage, it can lead to excessive heat generation, potentially causing fires or damaging equipment. Thus, understanding and calculating ohmic resistance is essential for designing safe and effective electrical systems.Moreover, ohmic resistance is not limited to just wires; it can also be found in resistors, which are components specifically designed to introduce a known amount of resistance into a circuit. Resistors are used to control current flow, divide voltages, and protect sensitive components from receiving too much current. The ohmic resistance of a resistor is typically specified in ohms, which is the unit of measurement for resistance. Knowing the ohmic resistance of a resistor allows engineers to predict how it will behave in a circuit, enabling them to design more efficient and reliable electronic devices.In addition to its practical implications, the concept of ohmic resistance also has theoretical significance. It helps in understanding the behavior of materials under different conditions. For instance, materials can exhibit different types of resistance depending on their temperature, physical structure, and the presence of impurities. While ohmic resistance remains constant in ideal conductors, real-world materials often display non-ohmic behavior at extreme conditions, leading to variations in resistance. This phenomenon is particularly relevant in semiconductor devices, where the relationship between voltage and current does not adhere strictly to Ohm's Law, thus showcasing the limits of ohmic resistance as a concept.In conclusion, the concept of ohmic resistance is foundational in the fields of electrical engineering and physics. Its implications range from practical applications in everyday electrical systems to deeper theoretical understandings of material properties. By grasping the significance of ohmic resistance, individuals can better appreciate the complexities of electrical circuits and contribute to advancements in technology that rely on these principles. Whether one is an aspiring engineer or simply a curious learner, mastering the concept of ohmic resistance is a vital step towards understanding the intricate world of electricity and electronics.

在电气工程和物理学领域，理解欧姆电阻的概念对于任何参与这些领域的人来说都是至关重要的。欧姆电阻被定义为遵循欧姆定律的电阻，在电路的功能中扮演着重要角色。根据欧姆定律，流过导体两个点之间的电流与这两个点之间的电压成正比。这个关系可以用数学公式表示为V = IR，其中V代表电压，I代表电流，R代表电阻。术语欧姆电阻特别指的是当电压和电流同相位时，导体提供的恒定电阻。欧姆电阻的重要性可以在各种实际应用中看到。例如，在家庭电气系统中，电线具有一定水平的欧姆电阻，决定了在不发生过热情况下可以安全流过它们的电流。如果电阻对于给定电压来说过高，就会导致过多的热量产生，可能引发火灾或损坏设备。因此，理解和计算欧姆电阻对于设计安全有效的电气系统至关重要。此外，欧姆电阻不仅限于电线；它也可以在电阻器中找到，电阻器是专门设计用来在电路中引入已知电阻值的组件。电阻器用于控制电流流动、分配电压，并保护敏感组件免受过多电流的影响。电阻器的欧姆电阻通常以欧姆为单位进行指定，这是电阻的测量单位。了解电阻器的欧姆电阻使工程师能够预测其在电路中的行为，从而设计出更高效、更可靠的电子设备。除了其实际意义外，欧姆电阻的概念也具有理论意义。它有助于理解材料在不同条件下的行为。例如，材料可能会根据其温度、物理结构和杂质的存在表现出不同类型的电阻。虽然在理想导体中，欧姆电阻保持不变，但现实世界的材料在极端条件下往往表现出非欧姆行为，导致电阻的变化。这一现象在半导体设备中特别相关，因为电压和电流之间的关系并不严格遵循欧姆定律，从而展示了欧姆电阻作为一个概念的局限性。总之，欧姆电阻的概念在电气工程和物理学领域是基础性的。它的影响范围从日常电气系统中的实际应用到对材料特性更深层次的理论理解。通过掌握欧姆电阻的重要性，个人可以更好地理解电路的复杂性，并为依赖这些原理的技术进步做出贡献。无论是有志成为工程师的人还是只是好奇的学习者，掌握欧姆电阻的概念都是理解电力和电子学复杂世界的重要一步。