^Current in ac circuits

^Current in ac circuits

Let E = E0 sin ωt is the sinusoidal source of emf applied to a circuit. Let Φ is the phase difference between current & the emf applied is, then the current flowing through the circuit can be represented by the general relation

I = I0 sin (ωt + Φ), its virtual value of current is

Current flowing in a circuit depends upon following factors:

(a) input voltage signal

(b) frequency of the input voltage signal

(c) nature of circuit elements in the circuit

(d) combination of circuit elements in the circuit

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