Question

Given that, R1 = 36 Ω and R2 = 75 Ω, each having tolerance of ±5% are connected in series. The value of resultant resistance is ___________ (a) 111 ± 0 Ω (b) 111 ± 2.77 Ω (c) 111 ± 5.55 Ω (d) 111 ± 7.23 Ω I had been asked this question in examination. The doubt is from Advanced Problems on Network Theorems 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

Right choice is (c) 111 ± 5.55 Ω Best explanation: R1 = 36 ± 5% = 36 ± 1.8 Ω R2 = 75 ± 5% = 75 ± 3.75 Ω ∴ R1 + R2 = 111 ± 5.55 Ω.