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Find the magnetic field intensity when the magnetic vector potential x i + 2y j + 3z k.

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Find the magnetic field intensity when the magnetic vector potential x i + 2y j + 3z k. (a) 6 (b) -6 (c) 0 (d) 1 I got this question in a national level competition. My question comes from Magnetic Vector Potential in division Magnetostics 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

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The correct choice is (b) -6 Easiest explanation: The magnetic field intensity is given by H = -Grad(Vm). The gradient of Vm is 1 + 2 + 3 = 6. Thus H = -6 units.

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