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What is the resistance of a NichromeTM wire at $0.0^{\circ} \mathrm{C}$ if its resistance is 100.00$\Omega$ at $11.5^{\circ} \mathrm{C}$ ? The temperature coefficient of resistivity for Nichrome is 0.00040$\left(\mathrm{C}^{\circ}\right)^{-1}$

the resistance of the Nichrome wire at $0^{\circ} \mathrm{C}$ is $[99.54 \Omega]$

Physics 102 Electricity and Magnetism

Chapter 19

Current, Resistance, and Direct-Current Circuit

Electric Charge and Electric Field

Gauss's Law

Electric Potential

Capacitance and Dielectrics

Current, Resistance, and Electromotive Force

Direct-Current Circuits

Electromagnetic Induction

Rutgers, The State University of New Jersey

Hope College

McMaster University

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we are given that then I can wire at a temperature ofthe 11.5 degrees centigrade. Has the festivity off 100 home? Let's call the Steen art and let's call this are not the temperature of the resistance. Now we want to find out what their assistance will be at the temperature ofthe zero degrees centigrade. No, we know the party is are not times one plus Alfa times, humanist e not or the dead body. Now we know our notice 100 omega times, one less. You know Alva for micro is Syria 0.40 centenarian wass so that 0.4 multiplied by we have t minus t not know that Artie is erotically 17 Artie's 11.5 degrees hence this D minus d not B negative zero minus 11.5 degrees centigrade. This is negative because we expect our Artie to be smaller than 100 home because the rt it'll look is at a lower temperature than the original temperature. Now this when you plug it in tow calculator turns out to be 99 0.5 for Oh, this is the resistance off that Nikon wide. It's a degree Celsius

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