Question

In the circuit given below, the voltage across capacitor when switch is closed at t = ∞ is ____________ (a) 50 V (b) 20 V (c) 30 V (d) 7.5 V I have been asked this question in my homework. This interesting question is from Calculation of I(0+), di/dt(0+), d2I/dt2(0+) in Circuits Involving both Capacitor and Inductor topic in division Application of the Laplace Transform 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

The correct option is (a) 50 V To elaborate: From the figure, we can infer that, Voltage across capacitor = voltage across 10 Ω resistance. Now, voltage across the 10 Ω resistance = \frac{100}{10+10} X 10 = \frac{100}{20} .10 = 50 V.