assign7_magnetostatics_2

assign7_magnetostatics_2 - Show that if no surface current...

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EE1259: Electromagnetic assignment 1 EE1259 Assignment 7 (Due on 9:30am November 21, 2006) 1. In a ferromagnetic material ( μ =4.5 o ), 2 / 4 m mWb a y B z r r = calculate (a) χ m , H , M , J b 2. When two parallel identical wires are separated by 3 m, the inductance per unit length is 2.5 H/m , calculate the diameter of the wire. 3. The plane defined by x-y=1 separated medium 1 of permeability 1 =5 0 from medium 2 of permeability 2 = 0 . If no surface current exists on the boundary and y x a a B r r 3 2 1 + = Please find H 1 , H 2 , and B 2 . 4.
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Unformatted text preview: Show that if no surface current densities exist at the parallel interfaces shown below, the relationship between 4 and 1 is independent of 2 5. Show that the mutual inductance between the rectangular loop shown above and the infinite line current is + = 12 ln 2 a b M Medium 2 2 Medium 1 1 (0,-1) (1,0) x y 1 2 3 B 3 B 2 B 1 1 2 3 4 a b 0 I...
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