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Calculate the displacement current density when the electric flux density is 20sin 0.5t.(a) 10sin 0.5t(b) 10cos 0.5t(c) 20sin 2t(d) 20cos 2tI had been asked this question in class test.Question is taken from Displacement and Conduction Current topic in section Electric Fields in Material Space of Electromagnetic Theory |
Answer» CORRECT OPTION is (b) 10cos 0.5t For explanation: The DISPLACEMENT CURRENT density is GIVEN by, Jd = dD/dt. Jd = d(20sin 0.5t)/dt = 20cos 0.5t (0.5) = 10cos 0.5t. |
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