Question

For the circuit given below, the effective inductance of the circuit across the terminal AB is ___________ (a) 9 H (b) 21 H (c) 11 H (d) 6 H I got this question in quiz. I'd like to ask this question from Advanced Problems on Magnetically Coupled Circuits topic in division Resonance & Magnetically Coupled Circuit 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 answer is (c) 11 H The best explanation: LEFF across AB = L1 + L2 + L3 – 2M12 – 2M13 + 2M23 = (4 + 5 + 6 – 2 × 1 -2 × 3 + 2 × 2) = (15 – 2 – 6 + 4) = (15 – 8 + 4) = (15 – 4) = 11.