<Dd> i C (t) = C d ⁡ v C (t) d ⁡ t (\ displaystyle i_ (\ text (C)) (t) = C (\ frac (\ operatorname (d) v_ (\ text (C)) (t)) (\ operatorname (d) t))) </Dd> <Dl> <Dd> v C (t) = 1 j ω C I p e j ω t + Const = 1 j ω C i C (t) + Const . (\ displaystyle v_ (C) (t) = (1 \ over j \ omega C) I_ (p) e ^ (j \ omega t) + (\ text (Const)) = (1 \ over j \ omega C) i_ (C) (t) + (\ text (Const)).) </Dd> </Dl> <Dd> v C (t) = 1 j ω C I p e j ω t + Const = 1 j ω C i C (t) + Const . (\ displaystyle v_ (C) (t) = (1 \ over j \ omega C) I_ (p) e ^ (j \ omega t) + (\ text (Const)) = (1 \ over j \ omega C) i_ (C) (t) + (\ text (Const)).) </Dd> <P> The Const term represents a fixed potential bias superimposed to the AC sinusoidal potential, that plays no role in AC analysis . For this purpose, this term can be assumed to be 0, hence again the impedance </P>

In electronics the total resistance to the flow of electricity in a circuit is called the impedance