DC 2-3 2s1314.pdf - EEE 23 DC 2-3 Current Conductors u2022...

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EEE 23 DC 2 - 3: Current & Conductors Current & Current Density; Continuity Metallic Conductors Method of Images 1
Problem 1 Current & Current Density Given the vector current density 𝑱 = 10?2𝑧𝒂𝝆− 4???𝑠2𝜑𝒂𝝋?𝐴/?2(a) Find the current density at P(3,30°,2) (b) Determine the total current flowing outward through the circular band 2
Problem 2 Convection Current; Continuity of Current Given the following current density, 𝑱 = 25?𝒂𝝆20?2+ 0.01𝒂𝒛𝐴?(a)Find the total current crossing the plane z = 0.2 in the direction 𝒂𝒛for 2 (b) Calculate 𝜕𝜌𝜕?(c)Find the total outward current crossing the closed surface defined by: 𝑣 (d) Show that the divergence theorem is satisfied for J . 3
Problem 3 Conduction Current;

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