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# exam1solution - ECE321 Fall 2007 Exam 1 Problem 1 Let the...

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ECE321. Fall 2007 Exam 1 Problem 1 Let the elements of the vector correspond to the x, y, and z components H 1 0 0 := Now Point1 1 1 0 := Point2 4 3 1 := Since the H-field is constant Point1 Point2 l H d H Point2 Point1 () = Thus the MMF drop is given by H T Point2 Point1 3 = Problem 2 This rectangular plane has a direction of d 1 0 1 2 := and an area of A 22 2 := The B-field may be expressed

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B 1 0 0 := Φ S B d = Note this has a dot product - not shown Since the B field is constant this reduces to Φ B T A d := Φ 4 = Problem 3 mm 10 3 := cm 10 2 := a1 c m () 2 := r4 c m := g 1mm := l m 2 π r g := N 1 100 := N 2 10 := Grading Remark Assign 5 points to MEC. Make sure the signs are correct. Then 4 points for Rm and 2 points for each inductance.
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## This note was uploaded on 02/19/2012 for the course ECE 321 taught by Professor Staff during the Spring '08 term at Purdue.

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exam1solution - ECE321 Fall 2007 Exam 1 Problem 1 Let the...

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