capacitor is also known as condensor .it is a passive electronic component, which is used for storing eletric charge .the practical capacitor consits of two conductors seprated by non conductor,it consits of pair of conductors seprated by insulator.when eletric charge flows through this dielectric one plate consits of positive charge and another plate consits of negative charge .
capacitors are widely used for block the dc(direct current) and allow the ac(alternating current) current to pass.for smooth output of resonant circuits capacitors are used.it is stored in electro staticfield.its units in farads
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