Equivalent of Series parallel Circuits

Now we will discuss on the Equivalent of Series parallel Circuits.

It can be obtained by the following two methods.

(ii) By Symbolic Method

Let us explain the by

(i) By Admittance Method

In such circuits, the parallel circuit is first reduced to an equivalent series circuit and then, as usual, combined with the rest of the circuit. For a parallel circuit,

Equivalent series resistance

Equivalent series reactance

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(ii) By Symbolic Method

Consider the circuit of Figure (A). First, equivalent impedance of parallel branches is calculated and it is then added to the series impedance to get the total circuit impedance. The circuit current can be easily found.