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Calculate the frequency at which the conduction and displacement currents become equal with unity conductivity in a material of permittivity 2.

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Calculate the frequency at which the conduction and displacement currents become equal with unity conductivity in a material of permittivity 2. (a) 18 GHz (b) 9 GHz (c) 36 GHz (d) 24 GHz This question was posed to me in an online interview. This interesting question is from Displacement and Conduction Current topic in portion Electric Fields in Material Space 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 choice is (b) 9 GHz The explanation is: When Jd = Jc , we get εωE = σE. Thus εo(2∏f) = σ. On substituting conductivity as one and permittivity as 2, we get f = 9GHz.

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