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"How to analyse capacitor giving AC signal?" in Engineering Entrance Coaching classes
Capacitor giving AC signal doesn't make any sense. A charged capacitor when connected in a circuit will discharge itself, thus generating Direct Current in the circuit. An uncharged capacitor when connected to a DC circuit, having source of emf, will get charged & finally current will stop flowing through the branch where capacitor is connected. A capacitor connected in AC circuit repeatedly charges & discharges & then again gets charged in the opposite direction. It's good if this is is the answer you were looking for. If not, then please be more specific in your context.