Question

QUESTION 3.7 Boundary conditlons at a conductor-conductor Inter- ce. Consider&boundary surface between two conducting media of conduetivities σ1 and σ2, where σ,-2σ2-Which of the cases shown in Fig.Q3.2 represent possible time-invariant current density vectors on the two sides of the boundary? (A) Case (a) only. (B) Case (b) only. (C) Case (e) only (D) Case (d) only Figure Q3.2 Interface between two conducting media (σ-2 )-four cases with different combinations (not all necessarily physically meaningful) of vectors J1 and J2 on the two sides of the boundary, for Question 3.7 (E) More than one case. (F) None of the cases.

Answer 1

lo J. A, J. 2.

丁 丁 :T, 七1 .. (7,1 니5,1 o. Cabe b

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