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exam5

# exam5 - EE321 Exam 5 Spring 2008 Write your name and...

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EE321 Exam 5 Spring 2008 Write your name and student ID on the bluebook. Only turn in the bluebook. Notes: You must show work for credit. Getting 70% on problems 1 or 2 satisfies objective 1 and 2. Getting 70% on problems 4 or 5 satisfies objective 4. Getting 70% on problem 3 satisfies objective 5. See exam 4 for objective 3. Handy trigonometric identities: “Run like hell and get the agony over with.” - Clarence DeMar ( 29 ( 29 ( 29 dx du u u dx d dx du u u dx d B A B A B A B A B A B A B A B A B A B A B A B A B A B A B A cos ) sin( sin ) cos( ) sin( ) sin( 2 1 cos sin ) cos( ) cos( 2 1 sin sin ) cos( ) cos( 2 1 cos cos sin sin cos cos ) cos( sin cos cos sin ) sin( = - = - + + = + - - = - + + = = ± ± = ±

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1.) 20 pts. Consider the UI core shown below. Consider the following parameters: 1 = w cm; 5 = s w cm; 2 = s d cm; 5 = d cm; 1 = g mm; 100 = N . The relative permeability of the magnetic material is 1000. Recall that the permeability of free space is 7 10 4 - π H/m. Neglecting fringing and
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exam5 - EE321 Exam 5 Spring 2008 Write your name and...

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