Question

Find the orbital dipole moment in a field of dipoles of radius 20cm and angular velocity of 2m/s(in 10^-22 order) (a) 64 (b) 76 (c) 54 (d) 78 The question was asked by my college professor while I was bunking the class. This intriguing question originated from Magnetic Dipole in section 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

Correct answer is (a) 64 To explain: The orbital dipole moment is given by M = 0.5 x eVangx r^2, where e = 1.6 x 10^-19 is the charge of the electron, Vang = 2 and r = 0.2. On substituting, we get M = 0.5 x 1.6 x 10^-19x 2 x 0.2^2= 64 x 10^-22 units.