What is the magnitude of the current density across A1? Is the current at A2 larger, smaller, or the same?Is the current density at A2 larger, smaller, or the same?Assume A2 = 2A1. The figure below represents a section of a circular conductor of nonuniform diameter carrying a current of \( I = 4.00 \, \text{A} \). The radius of cross-section \( A_1 \) is \( r_1 = 0.250 \, \text{cm} \).![Diagram Description]The diagram shows a cylindrical conductor with two cross-sections, \( A_1 \) and \( A_2 \). The radius of cross-section \( A_1 \) is labeled as \( r_1 \), and the radius of cross-section \( A_2 \) is labeled as \( r_2 \). The current \( I \) flows from left to right.### Questions:**(a)** What is the magnitude of the current density across \( A_1 \)?\[ \_\_\_\_ \, \text{A/m}^2 \]The radius \( r_2 \) at \( A_2 \) is larger than the radius \( r_1 \) at \( A_1 \).**(b)** Is the current at \( A_2 \) larger, smaller, or the same?- [ ] The current is larger.- [ ] The current is smaller.- [ ] The current is the same.**(c)** Is the current density at \( A_2 \) larger, smaller, or the same?- [ ] The current density is larger.- [ ] The current density is smaller.- [ ] The current density is the same.Assume \( A_2 = 2A_1 \).**(d)** Specify the radius at \( A_2 \):\[ \_\_\_\_ \, \text{mm} \]**(e)** Specify the current at \( A_2 \):\[ \_\_\_\_ \, \text{A} \]**(f)** Specify the current density at \( A_2 \):\[ \_\_\_\_ \, \text{A/m}^2 \]

Given data: Current (I) = 4.00 A Radius of cross-section A1 r1 = 0.250 cm

The figure below represents a section of a circular conductor of nonuniform diameter carrying a current of I = 4.00 A. The radius of cross-section A, is r, = 0.250 cm. A2 (a) What is the magnitude of the current density across A,? A/m2 The radius r, at A, is larger than the radius r, at A,. (b) Is the current at A, larger, smaller, or the same? O The current is larger. O The current is smaller. O The current is the same. (c) the density at A, 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 = 4.00 A. The radius of cross-section A, is r, = 0.250 cm. A2 (a) What is the magnitude of the current density across A,? A/m2 The radius r, at A, is larger than the radius r, at A,. (b) Is the current at A, larger, smaller, or the same? O The current is larger. O The current is smaller. O The current is the same. (c) the density at A, larger, smaller, or the same? O The current density is larger. O The current density is smaller. O The current density is the same.

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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