The figure below represents a section of a circular conductor of nonuniform diameter carrying a current of I = 4.70 A. The radius of cross-section A₁ is r₁ = 0.420 cm. A₁ A2 (a) What is the magnitude of the current density across A₁? A/m² The radius r₂ at A₂ is larger than the radius r₁ at A₁. (b) Is the current at A₂ larger, smaller, or the same? O The current is larger. O The current is smaller. 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.
The figure below represents a section of a circular conductor of nonuniform diameter carrying a current of I = 4.70 A. The radius of cross-section A₁ is r₁ = 0.420 cm. A₁ A2 (a) What is the magnitude of the current density across A₁? A/m² The radius r₂ at A₂ is larger than the radius r₁ at A₁. (b) Is the current at A₂ larger, smaller, or the same? O The current is larger. O The current is smaller. 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.
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter21: Current And Direct Current Circuits
Section: Chapter Questions
Problem 6P: Figure P21.6 represents a section of a conductor of nonuniform diameter carrying a current of I =...
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