"Si tengo un capacitor cargado sin conectarlo, ¿cuánto tiempo puede mantener su carga?"

Mantener la carga de un capacitor, independientemente de su valor, depende de varios factores. El primero es la presencia de fugas. El dieléctrico de cualquier capacitor no es perfecto. Tiene cierta resistencia donde fluye la corriente. El valor de esta resistencia junto con la capacitancia (carga) determina el tiempo de descarga. Otro factor es la humedad del aire. El capacitor, incluso si no está conectado a nada, tiene electrodos en contacto con el aire. El aire no es un aislante perfecto. Por lo tanto, en un día húmedo, la carga de un capacitor puede agotarse más rápidamente. El tiempo depende de esta fuga y capacitancia.

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