Question

The current I, as shown in the figure below, is ________ (a) 3 A (b) 2 A (c) 1 A (d) 0 The question was asked in quiz. Question is taken from Norton’s Theorem Involving Dependent and Independent Sources topic in section Useful Theorems 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 option is (c) 1 A The best explanation: The 3 Ω resistance is an extra element because voltage at node B is independent of the 3 Ω resistance. I1 = \frac{3}{2+1} = 1 A (B -> A) The net current in 2 Ω resistance is I = 1 – I1 = 2 – 1 = 1 A (A -> B).