Question

The value of the current after taking the inverse transform of the current is? (a) (4-2e^5t)u(t) (b) (4-2e^-5t)u(t) (c) (4+2e^5t)u(t) (d) (4-2e^-5t)u(t) This question was addressed to me during an online exam. The query is from The Impulse Function in Circuit Analysis 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

The correct choice is (d) (4-2e^-5t)u(t) To explain: By taking the inverse transform of I = 4/s-2/(s+5) gives i = (4-2e^-5t)u(t). Before the switch is opened,the current in L1 is 10A and the current in L2 is 0A.