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Introductory Physics Homework Help
Calculating Current in a Wire: Applying PD and Cross-Sectional Area
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[QUOTE="gneill, post: 5667741, member: 293536"] You've got the order of the faces backwards. The initial scenario has the PD applied across the ends of the rectangle (the 4 x 4 ends are separated by 8 cm). Also, remember that resistance is proportional to path length as well as being inversely proportional to the cross sectional area. Look up the definition of resistivity. [/QUOTE]
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Introductory Physics Homework Help
Calculating Current in a Wire: Applying PD and Cross-Sectional Area
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