Atoms
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Physics Experiments
- Determine Resistance Plotting Graph Potential Difference versus Current
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- To draw the IV characteristic curve for p n junction in forward and reverse bias
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- Scope and Excitement of Physics
- Rocket science
- Relationship between frequency and length of wire under constant tension using Sonometer
- To determine equivalent resistance of resistors when connected in series and in parallel
- To convert the given galvanometer of known resistance and figure of merit into a voltmeter of desired range and to verify the same experiment
- To determine minimum deviation for given prism by plotting graph between angle of incidence and angle of deviation
- To compare the emf of two given primary cells using potentiometer experiment
Introduction
电容器组件用于两个目的——过滤和耦合。他们驱动电路和直流源获得电荷,电荷消散。四种类型的电容器在接下来的章节中详细讨论,电解电容器有一种特殊的建设利用化学凝胶的电极。凝胶、箔和电介质层氧化铝设计帮助提供一个高电容值与最小大小。这篇文章传达了电容器的一般概念与专注于电解电容器。重要的是要注意,交流电不应立即与电解电容器充电和放电发生以来,没有任何目的。
What is a Capacitor?
< img src = " https://www.tutorialspoint.com/assets/questions/media/539016 - 1674558093. - jpg”类=“边框”=“浮动:正确的;”/ > <跨风格= "粗细:var (——bs-body-font-weight);”>电容器是一个储存能量的被动电子元件和电路能量消散。它有两个终端阳极和阴极。当V伏特的电压在电容器终端应用,如果发达国家在其负责问库仑盘子,然后电容器的电容C(以法拉)方程所代表的是< / span >
$$mathrm{C=frac{Q}{V}}$$
测量电容的另一种方法是当介电常数是已知的(让它成为e)当板之间的距离是已知的(让它成为d)当板的面积是已知的(顺其自然)。然后美元mathrm {C =压裂{ε}{d}} $, $ mathrm{ε= k imeε_ {0}}$。在这里,K是材料的介电常数和$ mathrm{ε}$是真空的。当所有其他参数都是平等的,当板区域增加,电容器的电容也在不断增加。板之间的距离,离板间距使更多的电容。当介电常数,介电常数,介电常数越高,将电容就越大。
Principle of Capacitor
电容器的原理可以用其来解释的特点以及其建设。电容器的开箱即用的特性是,它有两个终端,身体有一个绝缘套管,电容的值对身体和工作电压印。不同的施工方法创建不同类型的电容器。
A schematic example of a capacitor with and without a polarised dielectric
KondensatorZDielektrykiem.svg: *KapasitorMetGepolariseerdeDiëlektrikum.svg: FJL derivative work: RJB1 (talk) derivative work: MikeRun, Capacitor-with-and-withoutdielectricum, marked as pubpc domain, more details on Wikimedia Commons
电容器的工作原理围绕充电和放电周期循环。板连接到电池的正端得到一个正电荷而板与负极得到一个负电荷。继续充电,直到它到达相同的电压电池。进一步充电停止和电容器持有这个电荷直到排放通过某种方法。在放电周期,板块得到中和作为负载电流流过。一个电场是建立在电容器的充电周期自介电材料(绝缘体)防止任何流板之间的电荷。
Types of Capacitor
Film Capacitors
的一个常见的电容器薄膜电容器。他们容易和介电性能让他们独一无二的。他们使用的电介质包括聚碳酸酯、聚丙烯、聚酯和聚四氟乙烯。又被称为塑料电容。可靠性高,使用寿命长,承受高温环境等是一些塑料电容的优点。
Dielectric Capacitors
介质电容器是一种变异类型,它使用多个板块与转子这盘子可以移动。这些电容器作为变量类型电容器和预设电容器称为修剪机。
Ceramic Capacitors
陶瓷电容器也叫盘电容器。他们是用银涂层陶瓷磁盘。一个三位数代码印在它的身体可以用来确定其电容值。
Electrolytic Capacitors
电解电容器是由使用固化型阴极(电解质)和薄膜层作为阳极。它可以有很高的电容值和体积小,因此用于应用程序耦合和分离。
Electrolytic Capacitor
< img src = " https://www.tutorialspoint.com/assets/questions/media/539016 - 1674558247. - jpg”=“边框”风格=“浮动:正确;宽度:335.5 px;高度:237.366 px;" / > <跨风格= "粗细:var (——bs-body-font-weight);" >电解电容器电介质的薄氧化阳极电镀铝层和离子液体作为其中的一个盘子。它会给一个洞察力如果我们了解电容器深处视觉及其输出。电解电容器是独一无二的从其他类型的基础上,建筑设计。这里的图揭示了电容器内部运作和在下一节中提供的输出特性。< / span >
上面的图表显示了电解电容器的内部视图。外绝缘套管的铝罐就是我们可以看到从外面。桨选项卡的终端是一种内心铝连接部分。阳极覆盖着介电材料,在阴极电解液凝胶中嵌入纸垫片(布朗)。橡胶密封和终端领导努力设置使用一个紧凑的设计。阳极、阴极和电介质放置,减少空间滚在一起。
Characteristics of Electrolytic Capacitor
−电容器的不同特点
电容
工作电压
类型——塑料、陶瓷、电解介质
泄漏电流
宽容
工作温度
温度系数
等效串联电阻
两极分化
这些功能必须详细探讨了对公平的理解和行为有关。一些图表,可以绘制
温度特性(x轴)的电容(轴)
频率特性(x轴)的电容(轴)
泄漏电流((轴)和时间(轴)
温度特性(x轴)的泄漏电流(轴)
这些图表的详细信息不在本文的范围之内。
The Material Used In Electrolytic Capacitor
建设的最常用材料钽电解电容器,它是用于阳极。中也使用了铝和铌电解电容器。
Conclusion
电解电容是本文的重点。然而,工作原理和详细研究了不同类型的电容器。电容器在电子电路虽然通用组件,它们是必不可少的基本元素,如电阻或电感器。整体的理解电容器和详细的建设和电解电容器的特点进行了讨论。
FAQs
Q1。电容器可持续吗?
Ans,电容电荷不是化学反应的形式,而是与介电特性和盘子。因此,充电和放电可能发生任意次数不需要更换。尽管电容器需要回收利用得当,它不包含这样的有毒元素的可充电电池。
Q2。有没有标准的阳极和阴极电解电容器吗?
答。建设标准电解电容器阳极是由材料如铝、钽、铌等电解质作为阴极。因为他们使用电解质作为阴极,电容器的名字——电解电容器。
第三季。电解电容器的缺点是什么?
Ans。电解电容器如果不是使用电压很长一段时间,干燥的可能性发生在阳极箔的介电材料得到减少
第四季度。电解电容器在陶瓷电容器的优势是什么?
答。电解电容有更高capacitance-voltage产品(CV)单位体积相比,陶瓷电容器或薄膜电容器。
Q5。有一个正确的方式为电容器终端被连接到电路?
答,电容器是polarity-sensitive组件。如果连接错误,他们就不会工作,离开的机会炸毁十字架如果电压和电流限制。所以要小心与电容器的极性连接。