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A 0.500-meter length of wire with a cross-sectional area of 3.14 x 10-6 meters squared is found to have a resistance of 2.53 x 10-3 ohms. According to the resistivity chart, from what material is the wire made?

A 0.500-meter length of wire with a cross-sectional area of 3.14 x 10-6 meters squared is found to have a resistance of 2.53 x 10-3 ohms. According to the resistivity chart, from what material is the wire made?

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Resistivities at 20°C Material Aluminum Copper Gold Nichrome Silver Tungsten Resistivity (2 m) 2.82 × 10-8 1.72 × 10-8 2.44 x 10-8 150. × 10-8 1.59 × 10-8 5.60 × 10-8 Resistivity (ρ) Ωm Aluminum 2.82 x 10-8 1.72 x 10-8 Copper Silver 1.59 x 10-8 Carbon 3.5 x 10-5 Teflon 1 x 1016 10131016 Rubber (hard) Maple wood Silicon 30 x 1010 20-2300 2. A 0.500-meter length of wire with a cross-sectional area of 3.14 x 10-6 meters squared is found to have a resistance of 2.53 x 10-3 ohms. According to the resistivity chart, from what material is the wire made? Given: Find: Formula: Substitution: Solution: Material
Transcribed Image Text:Resistivities at 20°C Material Aluminum Copper Gold Nichrome Silver Tungsten Resistivity (2 m) 2.82 × 10-8 1.72 × 10-8 2.44 x 10-8 150. × 10-8 1.59 × 10-8 5.60 × 10-8 Resistivity (ρ) Ωm Aluminum 2.82 x 10-8 1.72 x 10-8 Copper Silver 1.59 x 10-8 Carbon 3.5 x 10-5 Teflon 1 x 1016 10131016 Rubber (hard) Maple wood Silicon 30 x 1010 20-2300 2. A 0.500-meter length of wire with a cross-sectional area of 3.14 x 10-6 meters squared is found to have a resistance of 2.53 x 10-3 ohms. According to the resistivity chart, from what material is the wire made? Given: Find: Formula: Substitution: Solution: Material
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