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An RLC series circuit has R = 7.07 Ω, L = .707 H and C = 7.07 μF. At Half power frequencies the circuit impedance is ___________

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An RLC series circuit has R = 7.07 Ω, L = .707 H and C = 7.07 μF. At Half power frequencies the circuit impedance is ___________ (a) 7.07 Ω (b) 10 Ω (c) 14.14 Ω (d) 20 Ω This question was posed to me in an online interview. I need to ask this question from Advanced Problems on Application of Laplace Transform in section Application of the Laplace Transform in Circuit Analysis 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)

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The correct option is (b) 10 Ω For explanation: We know that, At half power frequency the circuit impedance is 2 times resistance Given that, resistance = 7.07 Ω So, circuit impedance = 2 X 7.07 = 14.14 Ω.

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