Question

Find the flux density due to a conductor of length 6m and carrying a current of 3A(in 10^-7 order) (a) 1 (b) 10 (c) 100 (d) 0.1 The question was posed to me in unit test. I want to ask this question from Magnetic Force and Lorentz Force in portion Magnetic Forces and Materials 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

Right choice is (a) 1 The best I can explain: The flux density is B = μH, where H = I/2πR. Put I = 3 and R = 6, we get B = 4π x 10^-7 x 3/2π x 6 = 1 x 10^-7 units.