Question

In the circuit given below, the value of V1 is __________ (a) 32.2 V (b) -25.23 V (c) 29.25 V (d) -29.25 V I had been asked this question in a job interview. This intriguing question comes from Advanced Problems Involving Complex Circuit Diagram in portion Network Theory and Complex Circuit Diagram 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 choice is (b) -25.23 V The explanation is: \frac{V_A}{30} + \frac{V_A-40}{12} + \frac{V_A-V_B}{8} = 0 Or, 29 VA – 15 VB = 400 Also, \frac{V_B-V_A}{8} + \frac{V_B-120}{8} + 6 = 0 Or, VA = 65.23 V, VB = 99.44 V V1 = 40-65.23 = -25.23 V.