Question

Consider a circuit having a charge of 600 C, which is delivered to 100 V source in a 1 minute. The value of Voltage source V is ___________ (a) 30 V (b) 60 V (c) 120 V (d) 240 V This question was addressed to me in an interview for job. The query is from Advanced Problems on Two Port Network topic in division Two-Port Networks 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 (d) 240 V Easiest explanation: In order for 600 C charges to be delivered to 100 V source, the electric current must be in reverse clockwise direction. Now, I = \frac{dQ}{dt} = \frac{600}{60} = 10 A Applying KVL we get V1 + 60 – 100 = 10 × 20 ⇒ V1 = 240 V.