Find the conductivity of a material with conduction current density 100 units and electric field of 4 units.(a) 25(b) 400(c) 0.04(d) 1600The question was posed to me during an interview for a job.The doubt is from Displacement and Conduction Current in section Electric Fields in Material Space of Electromagnetic Theory

Find the conductivity of a material with conduction current density 10

1.	Find the conductivity of a material with conduction current density 100 units and electric field of 4 units.(a) 25(b) 400(c) 0.04(d) 1600The question was posed to me during an interview for a job.The doubt is from Displacement and Conduction Current in section Electric Fields in Material Space of Electromagnetic Theory
Answer» The correct option is (a) 25 For explanation I WOULD say: The CONDUCTION CURRENT density is given by, Jc = σE. To get CONDUCTIVITY, σ = J/E = 100/4 = 25 units.

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