microfarad

简明释义

英[ˈmaɪkrəʊˌfærəd]美[ˌmaɪkroʊˈfærəd]

n. 微法拉（电容量的实用单位）

英英释义

单词用法

同义词

反义词

例句

1.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。

2.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。

3.In audio circuits, a microfarad (微法拉) capacitor can help to smooth out the sound quality.

在音频电路中，微法拉电容器可以帮助改善音质。

4.The capacitor has a value of microfarad (微法拉) which is suitable for filtering applications.

这个电容器的值为微法拉，适合用于滤波应用。

5.The motor start capacitor is usually rated at around 50 microfarad (微法拉).

电动机启动电容器通常额定为约50微法拉。

6.A typical ceramic capacitor might have a capacitance of 10 microfarad (微法拉).

一个典型的陶瓷电容器可能具有10微法拉的电容值。

7.When designing power supply circuits, engineers often use capacitors rated in microfarad (微法拉).

在设计电源电路时，工程师通常使用以微法拉为单位的电容器。

作文

In the field of electronics, understanding various units of measurement is crucial for designing and analyzing circuits. One such important unit is the microfarad, which is a measure of capacitance. Capacitance is the ability of a component to store an electrical charge, and it plays a vital role in various electronic applications. The microfarad is a subunit of the farad, where one farad equals one million microfarads. This means that when we refer to a capacitor rated at, for example, 10 microfarads, we are indicating that it can store a specific amount of electrical charge, which is essential for the functionality of many electronic devices.Capacitors are used in numerous applications, from power supply circuits to audio equipment. In power supply circuits, capacitors help smooth out voltage fluctuations, providing a stable output. For instance, in a typical power supply circuit, you might find a capacitor rated at 1000 microfarads used to filter out noise and ensure a steady voltage level. Similarly, in audio equipment, capacitors are used to block direct current while allowing alternating current to pass, which is crucial for producing clear sound.The choice of capacitance value, such as microfarad, directly affects the performance of the circuit. For example, if a capacitor with too low a capacitance value is used, it may not be able to store enough charge, leading to poor performance or even failure of the circuit. Conversely, using a capacitor with too high a capacitance can result in slow response times and potential damage to other components in the circuit.Additionally, understanding how capacitors behave in different configurations is essential. Capacitors can be connected in series or parallel, and each configuration affects the total capacitance of the circuit. When capacitors are connected in series, the total capacitance decreases, while in parallel, the total capacitance increases. This means that if you need a specific capacitance value in microfarads, you might have to combine several capacitors to achieve the desired effect.Another important aspect of capacitors rated in microfarads is their voltage rating. Each capacitor has a maximum voltage it can handle, and exceeding this voltage can lead to catastrophic failure. Therefore, when designing circuits, engineers must consider both the capacitance value and the voltage rating to ensure reliability and safety.In summary, the microfarad is a fundamental unit in the world of electronics, representing a crucial property of capacitors. Understanding its significance allows engineers and hobbyists alike to design and troubleshoot electronic circuits effectively. Whether you're working on a simple project or a complex device, grasping the concept of capacitance and the role of microfarad values will greatly enhance your ability to create functional and reliable electronic systems.

在电子学领域，理解各种测量单位对于设计和分析电路至关重要。其中一个重要的单位是微法拉，它是电容的测量单位。电容是指元件存储电荷的能力，它在各种电子应用中发挥着重要作用。微法拉是法拉的子单位，其中一法拉等于一百万微法拉。这意味着，当我们提到一个额定为10微法拉的电容器时，我们表示它可以存储特定数量的电荷，这对许多电子设备的功能至关重要。电容器被广泛应用于多个领域，从电源电路到音频设备。在电源电路中，电容器有助于平滑电压波动，提供稳定的输出。例如，在典型的电源电路中，您可能会发现一个额定为1000微法拉的电容器用于过滤噪声并确保电压水平的稳定。同样，在音频设备中，电容器用于阻止直流电，同时允许交流电通过，这对于产生清晰的声音至关重要。电容值的选择，例如微法拉，直接影响电路的性能。例如，如果使用的电容器电容值过低，可能无法存储足够的电荷，导致性能不佳甚至电路故障。相反，使用电容值过高的电容器可能导致响应时间缓慢，并可能对电路中的其他元件造成损坏。此外，了解电容器在不同配置中的行为也很重要。电容器可以串联或并联连接，每种配置都会影响电路的总电容。当电容器串联连接时，总电容会降低，而并联连接时，总电容会增加。这意味着，如果您需要特定的微法拉电容值，可能需要组合多个电容器以实现所需的效果。另一个与微法拉相关的重要方面是电容器的电压额定值。每个电容器都有一个最大电压，可以承受，超过此电压可能导致灾难性故障。因此，在设计电路时，工程师必须同时考虑电容值和电压额定值，以确保可靠性和安全性。总之，微法拉是电子世界中的一个基本单位，代表电容器的一个关键属性。理解其重要性使工程师和爱好者能够有效地设计和排除电子电路的问题。无论您是在进行简单项目还是复杂设备的工作，掌握电容和微法拉值的概念将极大增强您创建功能性和可靠性电子系统的能力。