Answer / himanshu garg

because capacitance is directly depend on area of plates and if we increase capacitance to kilo, it will increase the area many times which is incompatible to design

Answer / david vk2cz

The unit of capacitance is Farad. Rightly or wrongly 1 Farad is a massive amount of capacitance, often used by Audio enthusiasts in motor vehicles to stablise power. The typical capacitors used in mobile phones, computers, TV and radio equipment are typically 1 millionth (micro) or even less nano Farads and pico Farads. Sure a kilo Farad or a mega Farad is possible, but arguably would have no sensible application outside EW systems.

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