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1. ### How to calculate the total resistance in this circuit?

That is great thank you. So transforming Δ circuit to Y circuit as in the diagram, Transforming the Δ component on the right side of the circuit to Y-component yields, $$R_1=\frac{R_a R_c}{R_a+R_b+R_c}$$ $$R_2=\frac{R_b R_c}{R_a+R_b+R_c}$$ $$R_3=\frac{R_a R_b}{R_a+R_b+R_c}$$ so...
2. ### How to calculate the total resistance in this circuit?

I meant the total resistance of the circuit.
3. ### How to calculate the total resistance in this circuit?

What do you mean by specific point to base an Rth?
4. ### How to calculate the total resistance in this circuit?

I tried this as well, considering the contour that includes i1 and i4 $$20 i_1 + 10 i_4=V_0$$ considering the contour that includes i2 and i5 $$10 i_2 + 20 i_5=V_0$$ multiplying the second equation by 2 and collect term $$(i_1 + i_2)$$. $$20(i_1 + i_2) + 10 i_4 +i_5=3V_0$$ divide on ...
5. ### How to calculate the total resistance in this circuit?

I edited the figure after puting labels of currents and points of intersection.
6. ### How to calculate the total resistance in this circuit?

Homework Statement How to calculate the value of total resistance RT in the shown circuit? Homework Equations The Attempt at a Solution I used Kirchhoff` first law: i1+i2=I where i1, i2 and I are the current passing through R1, R2 and the total current in the circuit, respectively...