must answer all parts correctly for credit. note first part can have multiple an
ID: 1309338 • Letter: M
Question
must answer all parts correctly for credit. note first part can have multiple answers.
Keeping in mind the symmetries identified above. choose the best Amperian path to use for calculating th magnetic field at a point some distance above the sheet of current. What is the magnitude of the magnetic field at a point a distance D above the infinite sheet? Express your answer in terms of d, D, I and mu 0. Given the direction of I shown in the top figures, What is the direction of the magnetic field at some point above the sheet (along the positive z-axis)?Explanation / Answer
1>antisymmetric under 180 rotation around the y-axis
antisymmetric under 180 rotation around the z-axis
symmetric under translation in x-direction
2>D
3>
4>negative y direction
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