1.

In the circuit given below, the voltage VAB is _________(a) 6 V(b) 25 V(c) 10 V(d) 40 VI have been asked this question in homework.This question is from Advanced Problems Involving Complex Circuit Diagram topic in chapter Network Theory and Complex Circuit Diagram of Network Theory

Answer»

The correct option is (a) 6 V

The BEST I can explain: For finding the Thevenin Equivalent CIRCUIT across A-B we remove the 5 Ω resistor.

Then, I = \(\frac{10+50}{15}\) = 4 A

VOC = 50 – (10×4) =10 V

And REQ = \(\frac{10×5}{10+5} = \frac{10}{3}\) Ω

Current I1 = \(\frac{10}{10/3+5} = \frac{6}{5}\)

Hence, VAB = \(\frac{6}{5 × 5}\) = 6 V.



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