volts

简明释义

英[vɒlts]美[voʊlts]

n. 伏特（volt 的复数形式）；电压

英英释义

单词用法

同义词

反义词

例句

1.Any additional power above 114 volts stays on the electric line, he said.

而高于114伏特的额外电压将保持在电线上面。

2.The switch was thrown, and 1,000 volts of AC slammed into Kemmler.

开关接通，1,000伏特的交流电猛击凯姆勒。

3.It is up around 13, 14, 15 electron volts.

它最高大约为13,14,15电子伏特。

4.LED's require resistors to control current when used with batteries rated at over 2 volts.

当使用2伏以上的电池时，需要使用额外的电阻来帮助控制电流。

5.The two lemon batteries above, combine to produce a voltage of 1.788 volts.

如图所示，将两个柠檬电池串联起来我们可以产生1.788伏特的电压。

6.The lightning extends around three meters, meaning he's ramped two car batteries to 9 million volts.

电光达到三米外，意味着这哥们把两辆汽车的电池整成9百万伏特。

7.And you forgot, when you wrote the spec, to document that the voltage should be around 1.4 volts.

在你写规范的时候，你忘了说明电压应该是1.4伏左右。

8.The device's produced output voltage ended up being 1.1 volts, which is enough to run low-power sensors.

这个装置产生的输出电压最终是1.1伏，这足以带动一个低功耗感应器。

9.The battery provides a steady output of 12 volts.

这个电池提供稳定的12伏特输出。

10.The power supply is rated for 5 volts and can be used to charge small devices.

这个电源的额定电压为5伏特，可以用来给小设备充电。

11.A standard household outlet in the US delivers 120 volts.

美国的标准家庭插座提供120伏特。

12.When measuring the circuit, we found it was running at 240 volts.

在测量电路时，我们发现它运行在240伏特。

13.Electric vehicles typically use batteries that operate at around 400 volts.

电动汽车通常使用工作在约400伏特的电池。

作文

Understanding the concept of electricity is essential in today's technological world. One of the key terms associated with electricity is volts, which refers to the unit of electric potential difference or electromotive force. In simple terms, volts can be thought of as the pressure that pushes electric charges through a circuit. Just like water flows through a pipe, electricity flows through wires, and volts determine how much energy is available to move those charges.To better grasp the significance of volts, we can consider a common household example: the electrical outlets in our homes. In many countries, standard outlets provide an electric potential of 120 or 240 volts. This means that when you plug in your devices, they are receiving a certain amount of energy that allows them to function properly. If a device is rated for 120 volts and you connect it to a 240 volts outlet, it may get damaged due to the excess voltage. Thus, understanding volts is crucial for ensuring that electrical devices operate safely and effectively.Moreover, the relationship between volts, current, and resistance is described by Ohm's Law, which states that voltage (V) equals current (I) multiplied by resistance (R). This fundamental principle helps electricians and engineers design circuits and troubleshoot electrical issues. For instance, if you know the resistance in a circuit, you can calculate the required volts to achieve a desired current flow. This knowledge is vital for creating efficient electrical systems and preventing overloads that could lead to failures or hazards.In the realm of renewable energy, volts play a significant role as well. Solar panels, for example, generate direct current (DC) electricity at a specific voltage. When these panels are connected to an inverter, the DC is converted to alternating current (AC), which is what most homes use. The inverter must ensure that the output voltage matches the required household voltage, usually around 120 or 240 volts. This process highlights the importance of volts in making renewable energy sources usable in everyday life.Additionally, the concept of volts extends beyond just practical applications; it also influences our understanding of safety in electrical systems. High voltages can be dangerous, and proper precautions must be taken when working with electricity. For example, electrical workers often use insulated tools and wear protective gear to prevent accidents caused by high volts. Learning about volts and their implications can help individuals appreciate the risks involved and promote safer practices when dealing with electrical equipment.In conclusion, volts are a fundamental aspect of electricity that affects various areas of our lives, from powering our devices to ensuring safety in electrical work. By understanding what volts are and how they interact with current and resistance, we can make informed decisions about using electricity responsibly and efficiently. As technology continues to evolve, the importance of volts will only grow, making it essential for everyone to have a basic understanding of this critical concept in the field of electricity.

理解电力的概念在当今技术世界中是至关重要的。与电力相关的一个关键术语是伏特，它指的是电势差或电动势的单位。简单来说，伏特可以被视为推动电荷通过电路的压力。就像水流过管道一样，电流流过电线，而伏特决定了移动这些电荷所需的能量。为了更好地理解伏特的重要性，我们可以考虑一个常见的家庭例子：我们家中的电源插座。在许多国家，标准插座提供120或240伏特的电势。这意味着，当你插入设备时，它们接收到一定量的能量，使其正常工作。如果一个设备的额定电压为120伏特，而你将其连接到240伏特的插座上，它可能会因电压过高而损坏。因此，理解伏特对于确保电气设备安全有效地运行至关重要。此外，伏特、电流和电阻之间的关系由欧姆定律描述，该定律指出电压（V）等于电流（I）乘以电阻（R）。这一基本原理帮助电工和工程师设计电路并排除电气问题。例如，如果你知道电路中的电阻，可以计算出所需的伏特以实现所需的电流流动。这一知识对于创建高效的电气系统和防止过载导致故障或危险至关重要。在可再生能源领域，伏特也发挥着重要作用。例如，太阳能电池板以特定电压产生直流电（DC）。当这些电池板连接到逆变器时，直流电转化为交流电（AC），这就是大多数家庭使用的电。逆变器必须确保输出电压与所需的家庭电压相匹配，通常为120或240伏特。这个过程突显了伏特在使可再生能源源可用于日常生活中的重要性。此外，伏特的概念不仅限于实际应用；它还影响我们对电气系统安全性的理解。高电压可能是危险的，因此在处理电力时必须采取适当的预防措施。例如，电气工人通常使用绝缘工具，并穿戴保护装备，以防止因高伏特引起的事故。了解伏特及其影响可以帮助个人认识到涉及的风险，并促进在处理电气设备时采取更安全的做法。总之，伏特是电力的一个基本方面，影响着我们生活的各个领域，从为我们的设备供电到确保电气工作的安全。通过理解伏特是什么以及它们如何与电流和电阻相互作用，我们可以在负责任和高效地使用电力时做出明智的决定。随着技术的不断发展，伏特的重要性只会增加，这使得每个人都必须具备对这一电力领域关键概念的基本理解。