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Find the orbital angular moment of a dipole with angular velocity of 1.6m/s and radius 35cm(in 10-31 order)(a) 1.78(b) 8.71(c) 7.18(d) 2.43I got this question during an internship interview.The query is from Magnetic Dipole topic in portion Magnetic Forces and Materials of Electromagnetic Theory

Answer» CORRECT option is (a) 1.78

Best EXPLANATION: The orbital angular moment is given by Ma = m X Vangx R^2,where m = 9.1 x 10^-31, Vang = 1.6 and r = 0.35. On SUBSTITUTING, we get, Ma = 9.1 x 10^-31 x 1.6 x 0.35^2 = 1.78 x 10^-31 units.


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