voltage difference

简明释义

电压差

英英释义

例句

1.In an AC circuit, the voltage difference 电压差 varies with time.

在交流电路中，电压差 voltage difference 随时间变化。

2.A higher voltage difference 电压差 can lead to increased current flow in the circuit.

较高的电压差 voltage difference 会导致电路中电流的增加。

3.To measure the voltage difference 电压差, you need a multimeter set to the correct range.

要测量电压差 voltage difference，您需要将万用表设置为正确的范围。

4.The voltage difference 电压差 between the two terminals of the battery is 12 volts.

电池两个端子之间的电压差 voltage difference 是12伏特。

5.The voltage difference 电压差 across the resistor is crucial for calculating power.

电阻器两端的电压差 voltage difference 对计算功率至关重要。

作文

Understanding the concept of voltage difference is crucial for anyone interested in electronics and electrical engineering. Essentially, voltage difference refers to the difference in electric potential between two points in a circuit. This difference is what drives electric current to flow through a conductor, such as a wire. Without a voltage difference, there would be no movement of electrons, and thus no electric current would be generated. To illustrate, consider a simple circuit consisting of a battery and a light bulb. The battery has a positive terminal and a negative terminal, creating a voltage difference between these two points. When the circuit is closed, this voltage difference pushes electrons from the negative terminal of the battery through the light bulb and back to the positive terminal, illuminating the bulb in the process. The unit of measurement for voltage difference is the volt (V). A higher voltage difference means that more energy is available to push the current through the circuit. For example, a standard AA battery provides a voltage difference of 1.5 volts, while a car battery typically provides a voltage difference of 12 volts. This difference in voltage explains why car batteries can power larger devices compared to smaller batteries. In practical applications, understanding voltage difference is essential for designing and troubleshooting electrical systems. Engineers must calculate the required voltage difference to ensure that devices operate efficiently and safely. If the voltage difference is too low, devices may not function properly, while a voltage difference that is too high can lead to equipment damage or failure. Moreover, the concept of voltage difference extends beyond simple circuits. In more complex systems, such as power grids, maintaining the correct voltage difference is vital for the stability and reliability of electricity supply. Power plants generate electricity at specific voltage differences, which must be regulated as it travels long distances through transmission lines. If the voltage difference fluctuates too much, it can cause blackouts or even damage infrastructure. In conclusion, a thorough understanding of voltage difference is fundamental for anyone involved in the field of electronics or electrical engineering. It is the driving force behind electric currents and is critical for the functioning of all electrical devices. By grasping the principles of voltage difference, individuals can better design, analyze, and troubleshoot electrical systems, ensuring safety and efficiency in their operations. The importance of voltage difference cannot be overstated, as it plays a pivotal role in both everyday technology and large-scale electrical infrastructures.

理解电压差的概念对于任何对电子和电气工程感兴趣的人来说都是至关重要的。基本上，电压差是指电路中两个点之间的电位差。这种差异是驱动电流通过导体（如电线）流动的原因。没有电压差，电子就不会移动，因此也不会产生电流。为了说明这一点，考虑一个由电池和灯泡组成的简单电路。电池有一个正极和一个负极，在这两点之间形成了一个电压差。当电路闭合时，这个电压差推动电子从电池的负极流过灯泡，再回到正极，从而点亮灯泡。电压差的测量单位是伏特（V）。更高的电压差意味着有更多的能量可以推动电流通过电路。例如，标准的AA电池提供1.5伏的电压差，而汽车电池通常提供12伏的电压差。这种电压差的不同解释了为什么汽车电池可以为比小型电池更大的设备供电。在实际应用中，理解电压差对于设计和排除电气系统故障至关重要。工程师必须计算所需的电压差，以确保设备高效安全地运行。如果电压差太低，设备可能无法正常工作，而如果电压差过高，则可能导致设备损坏或故障。此外，电压差的概念超越了简单电路。在更复杂的系统中，如电力网，维持正确的电压差对于电力供应的稳定性和可靠性至关重要。发电厂以特定的电压差发电，这在电力通过输电线路长距离传输时必须得到调节。如果电压差波动过大，可能会导致停电甚至损坏基础设施。总之，深入理解电压差对于任何参与电子或电气工程领域的人都是基础。它是电流背后的推动力，对于所有电气设备的运作至关重要。通过掌握电压差的原理，个人可以更好地设计、分析和排除电气系统的故障，确保其操作的安全性和效率。电压差的重要性不容小觑，因为它在日常技术和大规模电气基础设施中发挥着关键作用。