Question

If the resistances 3Ω, 5Ω, 7Ω, 9Ω are in series, then their equivalent resistance(Ω) is? (a) 9 (b) 20 (c) 24 (d) 32 I have been asked this question in final exam. This intriguing question originated from Circuit Elements and Kirchhoff’s Laws in division 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

Correct answer is (c) 24 Easy explanation: If the resistances are in series, then equivalent resistance is the sum of all the resistances that are in series. Equivalent resistance is (3+5+7+9)Ω = 24Ω.