In the figure shown below, you see a cross section of a weird coaxial cable. The regions in the figure are described as Region I: A steel wire of radius a = 10.0000 cm, with a current density of J = J₁r, where J₁ =12.0000 in the appropriate units. Region II: A section of insulating material with an outer radius b = 20.0000 cm. Region III: A cylindrical shell of steel outer radius c = 30.0000 cm with a current density of JIII J3=8.0000 in the appropriate units. The current density JIII moves in the opposite direction of Jr. where Region IV: The air outside the coaxial cable. C 10 I II III IV The magnitude of the magnetic field at r = 35.0000 cm is, in nT and to two decimal places, (1 nT=1 x 10⁹T)
In the figure shown below, you see a cross section of a weird coaxial cable. The regions in the figure are described as Region I: A steel wire of radius a = 10.0000 cm, with a current density of J = J₁r, where J₁ =12.0000 in the appropriate units. Region II: A section of insulating material with an outer radius b = 20.0000 cm. Region III: A cylindrical shell of steel outer radius c = 30.0000 cm with a current density of JIII J3=8.0000 in the appropriate units. The current density JIII moves in the opposite direction of Jr. where Region IV: The air outside the coaxial cable. C 10 I II III IV The magnitude of the magnetic field at r = 35.0000 cm is, in nT and to two decimal places, (1 nT=1 x 10⁹T)
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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Transcribed Image Text:In the figure shown below, you see a cross section of a weird coaxial cable. The regions in the figure are described
as
Region I: A steel wire of radius a = 10.0000 cm, with a current density of J = J₁r, where J₁ =12.0000 in the
appropriate units.
Region II: A section of insulating material with an outer radius b = 20.0000 cm.
Region III: A cylindrical shell of steel outer radius c = 30.0000 cm with a current density of JIII
J3=8.0000 in the appropriate units. The current density JIII moves in the opposite direction of Jr.
where
Region IV: The air outside the coaxial cable.
C
10
I
II
III
IV
The magnitude of the magnetic field at r = 35.0000 cm is, in nT and to two decimal places,
(1 nT=1 x 10⁹T)
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