QUESTION 5The density of free electrons in gold is 5.9 ×1028 m¯³. If a gold wire with diameter d= 5.0 mm carriesa current of 2.3 A, find the drift velocity (in µm/s) of the electrons in the wire.QUESTION 6A toaster having a Nichrome heating element of initial resistance Ro is switched on at T= 20 °C. Thetemperature coefficient of Nichrome is 4.5×10¯“ °C¯' amd the operational temperature of the toaster'sheating element is 220 °C. The toaster is rated at 0.71 kW at 240 V. Calculate the initial resistance Ro(in 2) of the heating element.

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The density of free electrons in gold is 5.9 ×10-8 m¯³. If a gold wire with diameter d= 5.0 mm carries a current of 2.3 A, find the drift velocity (in um/s) of the electrons in the wire.

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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