Question

Determine the current in all resistors in the circuit shown below. (a) 2A, 4A, 11A (b) 5A, 4.8A, 9.6A (c) 9.3A, 20.22A, 11A (d) 10.56A, 24.65A, 14.79A This question was posed to me in a national level competition. This key question is from Kirchhoff’s Current Law in chapter Circuit Elements and Kirchhoff’s Laws 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 (d) 10.56A, 24.65A, 14.79A Best explanation: All the resistors are in parallel, so the voltage across each resistor is the same V. i1=V/7, i2 = V/3, i3=V/5. By current law, 50A = V/7 + V/3 + V/5. On solving, we obtain V and then values of i1, i2, i3.