The figure below represents a section of a circular conductor of nonuniform diameter carrying a current of I = 5.50 A. The radius of cross-section A₁ is r₁ = 0.270 cm. A₁ I (a) What is the magnitude of the current density across A₁? A/m² The radius ₂ at A₂ is larger than the radius ₁ at A₁. (b) Is the current at A₂ larger, smaller, or the same? O The current is larger. O The current is smaller. O The current is the same. (c) Is the current density at A₂ larger, smaller, or the same? O The current density is larger. O The current density is smaller. O The current density is the same. Assume A₂ = 24₁. (d) Specify the radius at A₂. mm (e) Specify the current at A₂. A (f) Specify the current density at A₂. A/m²
The figure below represents a section of a circular conductor of nonuniform diameter carrying a current of I = 5.50 A. The radius of cross-section A₁ is r₁ = 0.270 cm. A₁ I (a) What is the magnitude of the current density across A₁? A/m² The radius ₂ at A₂ is larger than the radius ₁ at A₁. (b) Is the current at A₂ larger, smaller, or the same? O The current is larger. O The current is smaller. O The current is the same. (c) Is the current density at A₂ larger, smaller, or the same? O The current density is larger. O The current density is smaller. O The current density is the same. Assume A₂ = 24₁. (d) Specify the radius at A₂. mm (e) Specify the current at A₂. A (f) Specify the current density at A₂. A/m²
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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