farad

简明释义

英[ˈfæræd]美[ˈfæræd]

n. 法拉（电容单位）

英英释义

单词用法

同义词

反义词

例句

1.The Metrology Building, which houses the US national standards for the volt, ohm, and farad , among other electrical quantities, resides on the NIST campus northwest of Washington, DC.

这所计量建筑，容纳了电压，电阻，电容等其它电量标准，位于华盛顿哥伦比亚）的西北部NIST的驻地。

2.The Metrology Building, which houses the US national standards for the volt, ohm, and farad , among other electrical quantities, resides on the NIST campus northwest of Washington, DC.

这所计量建筑，容纳了电压，电阻，电容等其它电量标准，位于华盛顿哥伦比亚）的西北部NIST的驻地。

3.So it's much more common to see microfarads (one-millionth of a farad) and even picofarads (one-millionth of a microfarad).

所以微法拉（百万份之一法拉）和皮法拉（百万份之一微法拉）更为常见。

4.At present she goes up in happy net already gather together a small fortune: 6 farad benefit and 100 many friends.

目前她在开心网上已经聚拢了一小笔财富：6辆法拉利和100多个朋友。

5.They also had collaborated with well-known soloist, Yehudi Menuhin and Farad Neyman.

他们也曾和著名的独奏家耶胡迪·梅纽因和法拉•内曼一起合作。

6.Farad is too large a unit to be used in radio calculation.

用在无线电计算中，法拉这个单位太大。

7.The capacitance of this capacitor is 10 farad.

这个电容器的电容是10法拉。

8.In a circuit, a capacitor rated at 1 farad can store a significant amount of charge.

在电路中，一个标定为1法拉的电容器可以存储大量电荷。

9.When designing a power supply, engineers often use capacitors in the micro farad range.

在设计电源时，工程师通常使用微法拉范围的电容器。

10.A supercapacitor can have a capacitance of several hundred farad.

超级电容器的电容可以达到几百法拉。

11.The formula for capacitance is C = Q/V, where C is in farad.

电容的公式是C = Q/V，其中C以法拉为单位。

作文

The concept of capacitance is fundamental in the field of electrical engineering and physics. One of the key units used to measure capacitance is the farad, which is named after the famous scientist Michael Faraday. Understanding the farad is essential for anyone studying electronics, as it represents the ability of a capacitor to store electrical energy. A capacitor is a device that can hold an electric charge, and its effectiveness is quantified in farads. To put it simply, one farad is defined as the amount of capacitance needed to store one coulomb of electric charge at a potential difference of one volt. This relationship between charge, voltage, and capacitance is crucial in designing circuits. For instance, if you have a capacitor with a capacitance of one farad, it means that when it is charged to one volt, it can store one coulomb of charge. In practical applications, however, farads are often too large a unit for most electronic components. Most capacitors used in everyday applications range from picofarads (10^-12 farads) to microfarads (10^-6 farads). For example, a typical ceramic capacitor might have a value of 10 microfarads, which indicates its capacity to store a smaller amount of charge compared to a one farad capacitor. Understanding how capacitors work and their capacitance measured in farads is vital for engineers. Capacitors are used in various applications, including filtering, timing circuits, and energy storage systems. In power supply circuits, capacitors smooth out voltage fluctuations, ensuring a steady output. In timing circuits, they work alongside resistors to create delays, which can be crucial for certain operations in electronic devices. Moreover, the farad is not only important in traditional electronics but also plays a significant role in modern technologies such as electric vehicles and renewable energy systems. For instance, supercapacitors, which have capacitances in the range of farads, are increasingly being used in applications requiring rapid charging and discharging cycles. These devices can store large amounts of energy and release it quickly, making them ideal for hybrid electric vehicles where quick bursts of power are necessary during acceleration. In conclusion, the farad is a critical unit of measurement in the world of electronics, representing the capacitance of a capacitor. Its significance extends beyond theoretical understanding; it has practical implications in various technologies that shape our daily lives. By grasping the concept of farad, students and professionals in the field can better appreciate the intricacies of electrical systems and contribute to innovations in technology. As we continue to advance towards a more electrified future, the importance of understanding units like the farad will only grow.

电容的概念在电气工程和物理学领域中是基础性的。用于测量电容的一个关键单位是法拉，它以著名科学家迈克尔·法拉第的名字命名。理解法拉对于任何学习电子学的人来说都是至关重要的，因为它代表了电容器存储电能的能力。电容器是可以保持电荷的设备，其有效性以法拉为单位进行量化。 简单来说，一个法拉被定义为在一个电压差为一伏特的情况下，存储一个库仑电荷所需的电容。这种电荷、电压和电容之间的关系在设计电路时至关重要。例如，如果您有一个电容值为一个法拉的电容器，这意味着当它充电到一伏特时，它可以存储一个库仑的电荷。 然而，在实际应用中，法拉通常对于大多数电子元件来说太大了。大多数在日常应用中使用的电容器的范围从皮法（10^-12法拉）到微法（10^-6法拉）。例如，一个典型的陶瓷电容器可能具有10微法的值，这表明与一个法拉电容器相比，它存储的电荷量较小。 理解电容器的工作原理及其以法拉为单位的电容对工程师至关重要。电容器在各种应用中被使用，包括过滤、定时电路和能量存储系统。在电源电路中，电容器平滑电压波动，确保输出稳定。在定时电路中，它们与电阻器一起工作以创建延迟，这在某些电子设备的操作中至关重要。 此外，法拉不仅在传统电子产品中重要，而且在现代技术中也发挥着重要作用，例如电动汽车和可再生能源系统。例如，具有法拉级电容的超级电容器越来越多地用于需要快速充放电周期的应用。这些设备可以存储大量能量并迅速释放，非常适合混合动力电动车辆在加速过程中所需的快速功率爆发。 总之，法拉是电子世界中的一个关键测量单位，代表电容器的电容。它的重要性超越了理论理解；在塑造我们日常生活的各种技术中具有实际意义。通过掌握法拉的概念，学生和专业人士可以更好地理解电气系统的复杂性，并为技术创新做出贡献。随着我们不断向更电气化的未来迈进，理解像法拉这样的单位的重要性只会增加。