Question

The voltage of a capacitor 12F with a rating of 2J energy is (a) 0.57 (b) 5.7 (c) 57 (d) 570 I have been asked this question by my college professor while I was bunking the class. My doubt stems from Stokes Theorem topic in section Vector Calculus of Electromagnetic Theory Select the correct answer from above options Electromagnetic Theory questions and answers, Electromagnetic Theory questions pdf, Electromagnetic Theory question bank, Electromagnetic Theory questions and answers pdf, mcq on Electromagnetic Theory pdf,electromagnetic theory book pdf,electromagnetic theory pdf notes,electromagnetic theory lecture notes,electromagnetic theory of light,maxwell electromagnetic theory,electromagnetic theory proposed by,electromagnetic theory engineering physics,electromagnetic theory nptel

Answer 1

The correct option is (a) 0.57 The explanation: We can compute the energy stored in a capacitor from Stoke’s theorem as 0.5Cv^2. Thus given energy is 0.5 X 12 X v^2. We get v = 0.57 volts.