Question

As XL = XC in a series resonance circuit, the impedance is_________ (a) purely capacitive (b) purely inductive (c) purely resistive (d) capacitive and inductive The question was posed to me in a job interview. My question is taken from Series Resonance topic in section 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

Right option is (c) purely resistive The explanation is: As XL = XC in a series resonance circuit, the impedance is purely resistive. In a series RLC circuit the current lags behind or leads the applied voltage depending on the values of XL and XC.