Question

For the circuit given below, the Time-constant is __________ (a) 1.5 (b) 1.25 (c) 2.5 (d) 2.25 I got this question in unit test. I'm obligated to ask this question of Problems on Initial and Final Value Theorem in division 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)

Answer 1

Correct answer is (b) 1.25 To elaborate: We know that, Time constant is given by Req.C The equivalent resistance is given by, Req = R || R = \frac{R*R}{R+R} = \frac{R}{2} = 5 Ω So, Time-constant = \frac{5X0.5}{2} = 1.25.