Question

The switch S is the circuit shown in the figure is ideal. If the switch is repeatedly closed for 1 ms and opened for 1 ms, the average value of i(t) is ____________ (a) 0.25 mA (b) 0.35 mA (c) 0.5 mA (d) 1 mA I had been asked this question in a job interview. My doubt stems from Advanced Problems on Network Theorems in portion 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 answer is (a) 0.25 mA For explanation: Since i = \(\frac{5}{10 × 10^{-3}}\) = 0.5 × 10^3 = 0.5 mA As the switch is repeatedly close, then i(t) will be a square wave. So average value of electric current is (\(\frac{0.5}{2}\)) = 0.25 mA.