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Find the displacement current density of a material with flux density of 5sin t

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Find the displacement current density of a material with flux density of 5sin t (a) 2.5cos t (b) 2.5sin t (c) 5cos t (d) 5sin t I had been asked this question at a job interview. My doubt stems from Maxwell Law 2 topic in portion Maxwell Equations 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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Right answer is (c) 5cos t Easiest explanation: The displacement current density is the derivative of the flux density. Thus Jd = dD/dt. Put D = 5sin t in the equation, we get Jd = 5cos t units.

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