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SOLVED: A 0.60-mm-diameter wire made from an alloy (a combination of different metals) has a conductivity that decreases linearly with distance from the center of the wire: Ïƒ(r) = Ïƒâ‚€ with Ïƒâ‚€ = 5.0x10â· S/m and 1.2x10Â¹Â¹ S/m.Part AWhat is the resistance of a 3.0 m length of this wire? Express your answer with the appropriate units.

SOLVED: A 0.60-mm-diameter wire made from an alloy (a combination of different metals) has a conductivity that decreases linearly with distance from the center of the wire: Ïƒ(r) = Ïƒâ‚€ with Ïƒâ‚€ = 5.0x10â· S/m and 1.2x10Â¹Â¹ S/m.Part AWhat is the resistance of a 3.0 m length of this wire? Express your answer with the appropriate units.

2022年12月16日

This experiment is a fascinating exploration of heat conductivity. Different materials transfer heat at different rates. Metal, being a good conductor, should melt the butter quickly, while wood and plastic, being poorer conductors, will take longer. It's a simple yet effective way to understand thermal conductivity in everyday life use! #TheDadLab #ScienceisFun #physics #ScienceExperiments | TheDadLab

This experiment is a fascinating exploration of heat conductivity. Different materials transfer heat at different rates. Metal, being a good conductor, should melt the butter quickly, while wood and plastic, being poorer conductors, will take longer. It's a simple yet effective way to understand thermal conductivity in everyday life use! #TheDadLab #ScienceisFun #physics #ScienceExperiments | TheDadLab

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emilia angelillo on Instagram: "Did you get it right? Another superb kit from @philip_harrisuk to show the different thermal conductivity of 4 different metals. The four metal bars are held firmly together in parallel with a plastic rigid carrier. Each bar has a liquid crystal temperature sensitive strip attached and its conductivity value marked on the back of the carrier. If you want to know more about it, visit https://www.philipharris.co.uk/product/physics/energy/thermal-energy/thermal-condu

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