You've made the finals of the Science Olympics! As one of your tasks, you're given 1.1 g of copper and asked to make a wire, using all the metal, with a resistance of 2.0 (ohms). Copper has a density of 8900 kg/m^3.
What length will you choose for your wire?
What diameter will you choose for your wire?
Please help me out. I got 3600 m for the length and .0062mm in diameter. It's wrong but I have no idea what I did wrong. Please help with some details. it would be much appricated!
Thank you in advance!
3 answers
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The length is 3.8m, the diameter is 0.19
1 answer