A coil of Nichrome wire is 22.0 m long. The wire has a diameter of 0.340 mm and is at 20.0°C. (a) If it carries a current of 0.560 A, what is the magnitude of the electric field in the wire? V/m (b) If it carries a current of 0.560 A, what is the power delivered to it? (c) If the temperature is increased to 300°C and the potential difference across the wire remains constant, what is the power delivered?

A coil of Nichrome wire is 22.0 m long. The wire has a diameter of 0.340 mm and is at 20.0°C. (a) If it carries a current of 0.560 A, what is the magnitude of the electric field in the wire? V/m (b) If it carries a current of 0.560 A, what is the power delivered to it? (c) If the temperature is increased to 300°C and the potential difference across the wire remains constant, what is the power delivered?

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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Question

A coil of Nichrome wire is 22.0 m long. The wire has a diameter of 0.340 mm and is at 20.0°C.
(a) If it carries a current of 0.560 A, what is the magnitude of the electric field in the wire?
V/m
(b) If it carries a current of 0.560 A, what is the power delivered to it?
(c) If the temperature is increased to 300°C and the potential difference across the wire remains constant, what is the power delivered?

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