Find the load resistance Rm in the bridge circuit, shown in Fig. 2.41a, for maximum power transfer from the source to the load.

Question

Find the load resistance [latex]R_{m}[/latex] in the bridge circuit, shown in Fig. 2.41a, for maximum power transfer from the source to the load.

Accepted Answer

We have to find the Thévenin’s equivalent voltage and resistance across the load resistance terminals. Replacing the bottom half of the Δ circuit by Y -circuit, we get, with

[latex]Z_{bc} =3 ,Z_{bc} = 1, Z_{bc} =1[/latex]

[latex]Z_{a} = \frac{1 imes 1}{3+1+1}=0.2[/latex]

[latex]Z_{b} = \frac{3 imes 1}{3+1+1}=0.6[/latex]

[latex]Z_{c} = \frac{3 imes 1}{3+1+1}=0.6.[/latex]

Question 1.4: Find the load resistance Rm in the bridge circuit, shown in ...

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