applied voltage

简明释义

外加电压

英英释义

例句

1.The characteristics of the semiconductor change with different levels of applied voltage.

半导体的特性随不同水平的施加电压而变化。

2.To measure the output, we need to know the applied voltage across the terminals.

要测量输出，我们需要知道端子上的施加电压。

3.The circuit operates correctly when the applied voltage is within the specified range.

当施加电压在规定范围内时，电路正常工作。

4.Increasing the applied voltage can lead to higher current flow in the resistor.

增加施加电压会导致电阻中的电流增大。

5.The device failed to function because the applied voltage was too low.

设备未能正常工作，因为施加电压过低。

作文

Understanding the concept of applied voltage is crucial in the field of electrical engineering and physics. The term refers to the voltage that is applied across a component or circuit to make it function. It is the driving force that pushes electric charges through a conductor, enabling current to flow. This concept is fundamental in various applications, from simple electronic devices to complex power systems.When we discuss applied voltage, we often consider its relationship with current and resistance, which is beautifully illustrated by Ohm's Law. According to this law, the current flowing through a conductor between two points is directly proportional to the voltage across the two points and inversely proportional to the resistance of the conductor. This relationship can be expressed with the formula: V = IR, where V represents the applied voltage, I is the current, and R is the resistance. Understanding this relationship helps engineers design circuits that operate efficiently and safely.In practical terms, the applied voltage can vary depending on the requirements of the circuit. For instance, in a simple flashlight circuit, a small applied voltage from batteries is sufficient to light the bulb. However, in larger systems, such as those used in industrial machinery, much higher applied voltages are necessary to drive heavy motors and other components. This variation highlights the importance of selecting appropriate voltage levels for different applications to ensure functionality and safety.Moreover, the effects of applied voltage on circuit components cannot be overlooked. Different materials respond differently to voltage. For example, resistors are designed to limit current flow, while capacitors store energy and release it when needed. When an applied voltage exceeds a component's rated capacity, it can lead to overheating, component failure, or even dangerous situations like electrical fires. Therefore, understanding the limits of applied voltage is essential for anyone working with electrical systems.In addition to its technical aspects, the concept of applied voltage is also significant in understanding safety protocols in electrical work. Electricians must be aware of the applied voltage in their circuits to take necessary precautions. Working with high applied voltages can be hazardous, and proper insulation, protective gear, and tools are essential to prevent accidents. Training and education in handling applied voltage safely are vital components of electrical engineering programs.In conclusion, applied voltage is a fundamental concept in electrical engineering that plays a critical role in the operation of circuits and devices. From its relationship with current and resistance to its implications for safety and component integrity, understanding applied voltage is essential for anyone involved in the field of electronics. As technology continues to advance, the importance of mastering this concept will only grow, making it a key area of focus for future engineers and technicians. By grasping the principles surrounding applied voltage, individuals can contribute to the development of safer and more efficient electrical systems, ultimately benefiting society as a whole.

理解施加电压的概念在电气工程和物理学领域至关重要。该术语指的是施加在一个组件或电路上的电压，以使其正常工作。它是推动电荷通过导体的动力，促使电流流动。这个概念在各种应用中都是基础，从简单的电子设备到复杂的电力系统。当我们讨论施加电压时，我们常常考虑它与电流和电阻之间的关系，这一关系通过欧姆定律得到了很好的说明。根据这一法则，在两个点之间流动的电流与两个点之间的电压成正比，与导体的电阻成反比。这个关系可以用公式表示：V = IR，其中V代表施加电压，I是电流，R是电阻。理解这一关系有助于工程师设计高效安全的电路。在实际应用中，施加电压可能会根据电路的需求而变化。例如，在简单的手电筒电路中，来自电池的小施加电压就足以点亮灯泡。然而，在工业机械等更大系统中，需要更高的施加电压来驱动重型电动机和其他组件。这种变化突显了为不同应用选择适当电压水平的重要性，以确保功能和安全。此外，施加电压对电路组件的影响也不容忽视。不同材料对电压的响应各不相同。例如，电阻器旨在限制电流流动，而电容器则存储能量并在需要时释放它。当施加电压超过组件的额定容量时，可能导致过热、组件故障，甚至危险情况如电气火灾。因此，了解施加电压的限制对于任何从事电气系统工作的人来说都是至关重要的。除了技术方面，施加电压的概念在理解电气工作的安全协议中也具有重要意义。电工必须了解其电路中的施加电压，以采取必要的预防措施。处理高施加电压可能是危险的，适当的绝缘、保护装备和工具对于防止事故至关重要。安全处理施加电压的培训和教育是电气工程项目的重要组成部分。总之，施加电压是电气工程中的一个基本概念，在电路和设备的操作中发挥着关键作用。从它与电流和电阻的关系到对安全和组件完整性的影响，理解施加电压对任何参与电子领域的人来说都是必不可少的。随着技术的不断进步，掌握这一概念的重要性只会增加，使其成为未来工程师和技术人员关注的关键领域。通过掌握围绕施加电压的原则，个人可以为开发更安全、更高效的电气系统做出贡献，最终造福整个社会。