capacitors

简明释义

英[/kəˈpæsɪtəz/]美[/kəˈpæsɪtɚz/]

n. 电容；[电]电容器（capacitor 的复数形式）

英英释义

单词用法

同义词

反义词

例句

1.Some of these applications may include leakage current of capacitors, reverse diode leakage, or insulation resistance of cables or films.

这类应用可能包括电容器的漏电流、二极管反向漏电、电缆或薄膜的绝缘电阻等。

2.Gioia says that one likely source of the pollution is the dumping of old electrical waste such as capacitors and other PCB-containing products.

骄雅说，还有一种可能的污染源是废旧电容器和其他含氯联苯的产品。

3.But, rather than rely on batteries, the company turned to capacitors which can be charged and discharged in just seconds.

公司没有使用电池组，而是转而利用数秒内可充放电的电容。

4.Leakage resistance is one of the many electrical characteristics tested on capacitors.

漏阻是电容器被测试的众多电气特征中的一个。

5.Super capacitors or "electric double layer capacitors" store charge in a layer of ions adsorbed on the surface of carbon.

超电容器或者“双电介质层电容器”通过吸附碳层表面的离子储存电量。

6.This, they hope, will push capacitors to 50% of a battery's storage capacity.

他们希望这样做能增强50%的电池储电能力。

7.It was something that no combination of resistors, capacitors and inductors would do.

那是某种不用组合电阻，电容和电感器的元件。

8.When designing a circuit, choosing the right capacitors is crucial for performance.

在设计电路时，选择合适的电容器对性能至关重要。

9.Many power supply units use capacitors to smooth out voltage fluctuations.

许多电源单元使用电容器来平滑电压波动。

10.In electronic circuits, capacitors are used to store electrical energy temporarily.

在电子电路中，电容器用于暂时存储电能。

11.The capacitors in this audio amplifier improve sound quality by filtering noise.

这个音频放大器中的电容器通过过滤噪声来改善音质。

12.Large capacitors can be used in electric vehicles to provide quick bursts of energy.

大型电容器可以用于电动车，以提供快速的能量爆发。

作文

Capacitors are essential components in electronic circuits, serving various functions that are crucial for the operation of modern technology. A capacitor (电容器) is a passive electronic component that stores electrical energy in an electric field. This ability to store energy makes capacitors (电容器) vital in many applications, such as filtering, timing, and energy storage. Understanding how capacitors (电容器) work is fundamental for anyone interested in electronics or engineering.The basic structure of a capacitor (电容器) consists of two conductive plates separated by an insulating material known as a dielectric. When a voltage is applied across the plates, an electric field develops, allowing the capacitor (电容器) to store charge. The amount of charge a capacitor (电容器) can store is determined by its capacitance, measured in farads (F). This property varies depending on the size of the plates, the distance between them, and the type of dielectric used.One common application of capacitors (电容器) is in power supply circuits, where they smooth out fluctuations in voltage. In these circuits, capacitors (电容器) act as filters, removing noise and providing a stable output voltage. This is particularly important in devices like computers and smartphones, where consistent power is necessary for reliable performance.Another significant use of capacitors (电容器) is in timing applications. For example, in oscillators and timers, capacitors (电容器) work alongside resistors to create time delays. The charging and discharging cycles of a capacitor (电容器) determine the frequency of oscillation, which is essential for generating clock signals in digital circuits.In addition to these applications, capacitors (电容器) also play a critical role in energy storage systems. Supercapacitors, for instance, have gained popularity due to their ability to store large amounts of energy quickly and release it rapidly. They are used in applications ranging from regenerative braking systems in electric vehicles to backup power supplies for data centers.Moreover, capacitors (电容器) are integral to audio equipment, where they help to filter audio signals and enhance sound quality. By blocking DC voltage while allowing AC signals to pass, capacitors (电容器) ensure that only the desired frequencies reach the speakers, resulting in clearer sound reproduction.In conclusion, capacitors (电容器) are versatile components that serve multiple purposes in electronic circuits. Their ability to store and release energy efficiently makes them indispensable in a wide range of applications, from power management to signal processing. As technology continues to advance, the importance of capacitors (电容器) will only grow, making it essential for engineers and hobbyists alike to understand their principles and applications. Whether you are designing a simple circuit or working on complex systems, knowledge of capacitors (电容器) will undoubtedly enhance your understanding of electronics and contribute to your success in the field.

电容器是电子电路中不可或缺的组件，在现代技术的运作中发挥着至关重要的作用。电容器（capacitor）是一种被动电子元件，能够在电场中储存电能。这种储能能力使得电容器（capacitor）在许多应用中至关重要，例如滤波、定时和能量储存。理解电容器（capacitor）的工作原理对于任何对电子学或工程感兴趣的人来说都是基础。电容器（capacitor）的基本结构由两块导电板和一种称为介质的绝缘材料组成。当电压施加在板上时，会产生电场，使得电容器（capacitor）能够储存电荷。电容器（capacitor）能够储存的电荷量由其电容决定，单位为法拉（F）。这一特性取决于板的大小、它们之间的距离以及所使用的介质类型。电容器（capacitor）的一个常见应用是在电源电路中，它们平滑电压波动。在这些电路中，电容器（capacitor）充当滤波器，去除噪声并提供稳定的输出电压。这在计算机和智能手机等设备中尤为重要，因为一致的电力对于可靠的性能至关重要。电容器（capacitor）的另一个重要用途是在定时应用中。例如，在振荡器和定时器中，电容器（capacitor）与电阻器一起工作，以创建时间延迟。电容器（capacitor）的充放电周期决定了振荡频率，这对于在数字电路中生成时钟信号至关重要。除了这些应用外，电容器（capacitor）还在能量储存系统中发挥着关键作用。例如，超级电容器因其快速储存大量能量和迅速释放的能力而受到青睐。它们被用于从电动车辆的再生制动系统到数据中心的备用电源等多种应用。此外，电容器（capacitor）在音频设备中也至关重要，帮助过滤音频信号并增强音质。通过阻止直流电压而允许交流信号通过，电容器（capacitor）确保只有所需的频率到达扬声器，从而实现更清晰的声音重现。总之，电容器（capacitor）是多功能组件，在电子电路中发挥多种作用。它们高效储存和释放能量的能力使它们在从电源管理到信号处理的广泛应用中不可或缺。随着技术的不断进步，电容器（capacitor）的重要性只会增加，因此，无论是工程师还是爱好者，都有必要理解它们的原理和应用。无论你是在设计简单电路还是在处理复杂系统，对电容器（capacitor）的知识无疑将增强你对电子学的理解，并为你在该领域的成功做出贡献。