electric circuit

简明释义

电路

英英释义

An electric circuit is a closed path through which electric current flows, typically consisting of a power source, conductors, and a load.

电路是电流流动的封闭路径,通常由电源、导体和负载组成。

例句

1.An electric circuit 电路 can be either series or parallel, depending on how components are connected.

一个electric circuit 电路可以是串联或并联,具体取决于组件的连接方式。

2.Before assembling the device, make sure the electric circuit 电路 is properly configured.

在组装设备之前,请确保electric circuit 电路配置正确。

3.The engineer designed a new electric circuit 电路 to improve energy efficiency in the building.

工程师设计了一个新的electric circuit 电路以提高建筑物的能效。

4.If the electric circuit 电路 is overloaded, it may cause a short circuit.

如果electric circuit 电路过载,可能会导致短路。

5.Learning how to read electric circuit 电路 diagrams is essential for any electrician.

学习如何阅读electric circuit 电路图是任何电工必不可少的技能。

作文

An electric circuit is a fundamental concept in the field of electronics and electrical engineering. It refers to a closed loop that allows electric current to flow through various components such as resistors, capacitors, inductors, and power sources like batteries or generators. Understanding how an electric circuit works is essential for anyone interested in technology, as it forms the basis for all electronic devices we use today. The simplest form of an electric circuit consists of a power source, a load, and connecting wires. The power source provides the necessary voltage to push the current through the circuit, while the load consumes the electrical energy. For instance, in a basic circuit with a battery and a light bulb, the battery serves as the power source, and the light bulb acts as the load. When the circuit is complete, the current flows from the battery, through the wires, and into the light bulb, causing it to illuminate. This simple example illustrates the essential elements of an electric circuit: a source of energy, a pathway for the current, and a device that uses the energy. More complex electric circuits can include multiple components that interact in various ways. For instance, in a series circuit, components are connected end-to-end, so the same current flows through each component. If one component fails, the entire circuit is interrupted. Conversely, in a parallel circuit, components are connected across common points, allowing current to flow through multiple paths. This means that if one path is interrupted, current can still flow through the other paths, keeping the circuit operational. Understanding these configurations is crucial for designing reliable and efficient electric circuits. One of the key principles governing electric circuits is Ohm's Law, which states that 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 is expressed mathematically as V = IR, where V is voltage, I is current, and R is resistance. By applying this law, engineers can calculate how much current will flow in a circuit given a certain voltage and resistance, enabling them to design circuits that function optimally. In addition to Ohm's Law, there are several other important concepts related to electric circuits. For example, Kirchhoff's laws help analyze complex circuits by applying the principles of conservation of charge and energy. Kirchhoff's Current Law (KCL) states that the total current entering a junction must equal the total current leaving the junction, while Kirchhoff's Voltage Law (KVL) states that the sum of the electrical potential differences around any closed circuit must equal zero. These laws are invaluable tools for engineers when analyzing and troubleshooting electric circuits. In conclusion, an electric circuit is more than just a simple pathway for electric current; it is a complex system that enables the operation of countless devices in our daily lives. From the basic principles of series and parallel circuits to the application of Ohm's Law and Kirchhoff's laws, understanding electric circuits is crucial for anyone looking to delve into the world of electronics. As technology continues to advance, the importance of mastering these concepts becomes even more significant, paving the way for future innovations in the field of electrical engineering.

电路是电子学和电气工程领域的一个基本概念。它指的是一个封闭的回路,允许电流通过各种组件,如电阻器、电容器、电感器以及电池或发电机等电源。理解电路的工作原理对于任何对技术感兴趣的人来说都是必不可少的,因为它构成了我们今天使用的所有电子设备的基础。最简单的电路形式由电源、负载和连接导线组成。电源提供必要的电压以推动电流通过电路,而负载消耗电能。例如,在一个包含电池和灯泡的基本电路中,电池充当电源,而灯泡则作为负载。当电路完整时,电流从电池流出,通过导线,进入灯泡,使其发光。这个简单的例子说明了电路的基本元素:能量来源、电流路径和使用能量的设备。更复杂的电路可以包括多个以不同方式相互作用的组件。例如,在串联电路中,组件端对端连接,因此相同的电流通过每个组件。如果一个组件发生故障,整个电路就会中断。相反,在并联电路中,组件跨越公共点连接,允许电流通过多个路径流动。这意味着如果一条路径被中断,电流仍然可以通过其他路径流动,从而保持电路的正常运行。理解这些配置对于设计可靠高效的电路至关重要。支配电路的一个关键原则是欧姆定律,它指出在两个点之间的导体中流动的电流与两点之间的电压成正比,与导体的电阻成反比。这个关系用数学公式表示为V = IR,其中V是电压,I是电流,R是电阻。通过应用这一法则,工程师可以计算给定电压和电阻的情况下电路中将流动多少电流,从而使他们能够设计出最佳运行的电路。除了欧姆定律之外,还有几个与电路相关的重要概念。例如,基尔霍夫定律帮助分析复杂电路,应用电荷和能量守恒的原则。基尔霍夫电流定律(KCL)指出,进入一个节点的总电流必须等于离开该节点的总电流,而基尔霍夫电压定律(KVL)则指出,在任何闭合电路中,电势差的总和必须等于零。这些定律是工程师在分析和排除电路故障时的重要工具。总之,电路不仅仅是电流的简单通道;它是一个复杂的系统,使我们日常生活中的无数设备得以运作。从串联和并联电路的基本原理到欧姆定律和基尔霍夫定律的应用,理解电路对于任何想要深入电子世界的人来说都是至关重要的。随着技术的不断进步,掌握这些概念的重要性变得更加显著,为电气工程领域未来的创新铺平了道路。

相关单词

circuit

circuit详解:怎么读、什么意思、用法