1.) The radius of 22-gauge Nichrome wire is 0.32 mm. (a) Calculate the resistance per unit length of this wire. (b) If a potential difference of 10 V is maintained across a 1.0-m length of the Nichrome wire, what is the current in the wire?
1.) The radius of 22-gauge Nichrome wire is 0.32 mm. (a) Calculate the resistance per unit length of this wire. (b) If a potential difference of 10 V is maintained across a 1.0-m length of the Nichrome wire, what is the current in the wire?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter17: Current And Resistance
Section: Chapter Questions
Problem 58AP
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1.) The radius of 22-gauge Nichrome wire is 0.32 mm. (a) Calculate the resistance per unit length of this wire. (b) If a potential difference of 10 V is maintained across a 1.0-m length of the Nichrome wire, what is the current in the wire?
2.) An electric heater is constructed by applying a potential difference of 120 V across a Nichrome wire that has a total resistance of 8.00 V. Find the current carried by the wire and the power rating of the heater.
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