Question

In the circuit given below, the equivalent capacitance is ______________ (a) 3.5 μF (b) 1.2 μF (c) 2.4 μF (d) 4.05 μF I got this question by my college director while I was bunking the class. This interesting question is from Problems Involving Dot Conventions in chapter Resonance & Magnetically Coupled Circuit 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 choice is (d) 4.05 μF To elaborate: The 2.5 μF capacitor is in parallel with 1 μF capacitor and this combination is in series with 1.5 μF. Hence, C1 = \frac{1.5(2.5+1)}{1.5+2.5+1} = \frac{5.25}{5} = 1.05 Now, C1 is in parallel with the 3 μF capacitor. ∴ CEQ = 1.05 + 3 = 4.05 μF.