Section3-1TT - Slide Presentations for ECE 329, Slide...

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Unformatted text preview: Slide Presentations for ECE 329, Slide Presentations for ECE 329, Introduction to Electromagnetic Fields Introduction to Electromagnetic Fields 3.1 Faradays Law and Ampres Circuital Law 3.1-3 Maxwells Equations in Differential Form Why differential form? Because for integral forms to be useful, an a priori knowledge of the behavior of the field to be computed is necessary. The problem is similar to the following: There is no unique solution to this. If y ( x ) dx = 2, what is y ( x )? 1 3.1-4 However, if, e.g., y ( x ) = Cx , then we can find y ( x ), since then On the other hand, suppose we have the following problem: Then y ( x ) = 2 x + C . Cx dx = 2 or C x 2 2 1 1 = 2 or C = 4 y ( x ) = 4 x . If dy dx = 2, what is y ? 3.1-5 FARADAYS LAW First consider the special case and apply the integral form to the rectangular path shown, in the limit that the rectangle shrinks to a point....
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Section3-1TT - Slide Presentations for ECE 329, Slide...

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