Figure 29-84 shows a cross section of an infinite
Chapter , Problem 81(choose chapter or problem)
Figure 29-84 shows a cross section of an infinite conducting sheet carrying a current per unit x-length of l; the current emerges perpendicularly out of the page. (a) Use the BiotSavart law and symmetry to show that for all points P above the sheet and all points P( below it, the magnetic field is parallel to the sheet and directed as shown. (b) Use Amperes law to prove that at all points P and P
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