Question

Find the maximum force of the conductor having length 60cm, current 2.75A and flux density of 9 units. (a) 14.85 (b) 18.54 (c) 84.25 (d) 7.256 I had been asked this question in an interview for job. Question is from Magnetic Force and Lorentz Force in division 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

The correct option is (a) 14.85 To elaborate: The force on a conductor is given by F = BIL sin θ, where B = 3.75, I = 8, L = 0.12 and θ = 90 for maximum force. We get F = BIL= 9 x 2.75 x 0.6 sin 90 = 14.85 units.