Question

The value of RN from the circuit given below is ________ (a) 3 Ω (b) 1.2 Ω (c) 5 Ω (d) 12.12 Ω I had been asked this question during an online exam. The origin of the question is Norton’s Theorem Involving Dependent and Independent Sources topic in portion Useful Theorems in Circuit Analysis of Network Theory Select the correct answer from above options network theory questions and answers, network theory questions pdf, network theory question bank, network theory gate questions and answers pdf, mcq on network theory pdf, gate network theory questions and solutions, network theory mcq Test , ies network theory questions, Network theory Questions for GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)

Answer 1

The correct option is (d) 12.12 Ω The best explanation: VX = 3\(\frac{V_X}{6}\) + 4 Or, VX = 8 V = VOC If terminal is short-circuited, VX = 0. ISC = \(\frac{4}{3+3}\) = 0.66 A ∴ RN = \(\frac{V_{OC}}{I_{SC}}\) = \(\frac{8}{0.66}\) = 12.12 Ω.