Question

Find the resistor value R1(Ω) in the figure shown below. (a) 10 (b) 11 (c) 12 (d) 13 The question was posed to me during an interview. This is a very interesting question from Nodal Analysis topic in chapter Methods of Analyzing Circuits 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 (c) 12 To explain: 10=(V1-V2)/14+(V1-V3)/R1. From the circuit, V1=100V, V2=15×2=30V, V3=40V. On solving, R1=12Ω.