HWQ1.Nichrome wire has resistivity p=1.5*106(Q.m) calculate the followinga. The resistance per unit length if the radius ofwire is 0.321 mm?R-4.6 Ωmb. If the potential difference of 10 V ismaintained across a 10m length of Nichromwire ,what is the current ? I=2.2AQ2Silver wire with cross section area 0.923mm2, the resistivity = 10.49g/cm and the molar massM=107.9g/mol, if the current pass though thewire is 0.123mA, calculate :1.The electron density2.The current density3.Drift speed (va=1.42*10-3 m/s)%3D(n=5.855*1028 e/m')(j-133.26A/m2 )Q3.a.Calculate the current density forAluminum wire has radius 1mm and current1mA? 318.31A/m?b. Calculate the drift speed for electrons in thewire ? 3.29*108 m/sif the pAL-2.7*10 kg/m3 and if you know thatone mole in the Aluminum has mass equal to26.98g and there is one conduction for eachAluminum atome?

Q1.Nichrome wire has resistivity p=1.5*10° (Q.m) calculate the following a. The resistance per unit length if the radius of wire is 0.321 mm? R-4.6 Ω/m b. If the potential difference of 10 V is maintained across a 10m length of Nichrom wire ,what is the current ? I=2.2A

Q1.Nichrome wire has resistivity p=1.5*10° (Q.m) calculate the following a. The resistance per unit length if the radius of wire is 0.321 mm? R-4.6 Ω/m b. If the potential difference of 10 V is maintained across a 10m length of Nichrom wire ,what is the current ? I=2.2A

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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