Question

Consider a series RL circuit in which current 12 A is flowing through R and current 16 A is flowing through L. The current supplied by the sinusoidal current source I is ____________ (a) 28 A (b) 4 A (c) 20 A (d) Cannot be determined The question was posed to me in a job interview. This question is from Series-Parallel Interconnection of Two Port Network topic in chapter Two-Port Networks 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

Right option is (c) 20 A Explanation: Current I (t) is given by, I (t) = \sqrt{16^2 + 12^2} = \sqrt{256+144} = \sqrt{400} = 20 A.