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Physics, 07.07.2019 03:30 effypoosays4304

Acylindrical block of aluminum has a radius 2.5 cm and length 20 meters. the center of the cylinder has 20 mm of aluminum removed radially (a) what is the resistance of this block of material? (b) what temperature would the aluminum have to be at to have the same resisttivity as tungsten of the same size and length? c) how much power is dissipated when 30 amps of is passed through the cylindrical block using the resistance from part a.

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Acylindrical block of aluminum has a radius 2.5 cm and length 20 meters. the center of the cylinder...
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