farad是什么意思 farad的读音、翻译、用法

farad是什么意思 farad的读音、翻译、用法

'farad'是英语单词,中文翻译为“法拉”。它是电容量的单位,代表1秒内通过1伏特电压改变时,储存器内储存1库仑电荷所需要的电压。法拉是国际单位制(SI)中电容量的基本单位之一。

以下是9个含有‘farad’的例句:

1. One farad of capacitance can store one coulomb of charge when the voltage across the capacitor changes by one volt.(当电容器两端的电压变化1伏特时,1法拉的电容可以储存1库仑的电荷。)

2. The capacitance of a typical smartphone battery is around 3.8 farads.(典型智能手机电池的电容约为3.8法拉。)

3. The capacitor has a capacitance of 100 microfarads.(该电容器的电容为100微法。)

4. The voltage across the capacitor is inversely proportional to its capacitance.(电容器两端的电压与其电容成反比关系。)

5. The electric field strength between the plates of a capacitor is directly proportional to the charge stored and inversely proportional to the capacitance.(电容器板间的电场强度与储存的电荷成正比,与电容成反比。)

6. The capacitance of a parallel-plate capacitor can be calculated using the formula: C=εA/d, where C is the capacitance, ε is the electric permittivity of the dielectric material, A is the area of the plates, and d is the distance between them.(平行板电容器的电容可以用公式C=εA/d计算,其中C为电容,ε为介质材料的电容率,A为电容器板的面积,d为板间距。)

7. The capacitive reactance of a capacitor is given by the formula: Xc=1/(2πfC), where Xc is the reactance, f is the frequency, and C is the capacitance.(电容器的电抗可以用公式Xc=1/(2πfC)计算,其中Xc为电抗,f为频率,C为电容。)

8. The charging time of a capacitor is given by the formula: t=RC, where t is the time, R is the resistance, and C is the capacitance.(电容器的充电时间可以用公式t=RC计算,其中t为时间,R为电阻,C为电容。)

9. The ability of a capacitor to store charge is determined by its capacitance, which in turn depends on its size, shape, and dielectric material.(电容器储存电荷的能力取决于其电容,而电容则取决于其大小、形状和介质材料。)



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