1.

Calculate the conduction current density when the resistivity of a material with an electric field of 5 units is 4.5 units.(a) 22.5(b) 4.5/5(c) 5/4.5(d) 9.5I got this question by my college director while I was bunking the class.Enquiry is from Loss Tangent in section Maxwell Equations of Electromagnetic Theory

Answer»

Correct choice is (c) 5/4.5

For explanation I would say: The conduction current density is the PRODUCT of the CONDUCTIVITY and the electric FIELD. The resistivity is the reciprocal of the conductivity. Thus the required FORMULA is Jc = σ E = E/ρ = 5/4.5 units.



Discussion

No Comment Found

Related InterviewSolutions