A very long cable made of a solid inner cylinder and a coaxial, cylindrical, outer shell with finite thickness. The inner cylinder carries a current 41 while the outer shell carries a current 21 in the opposite direction (see figure). What is the magnitude of the magnetic field at b

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A very long cable made of a solid inner cylinder and a coaxial, cylindrical, outer shell with finite thickness. The inner cylinder carries a current 4I while the outer shell carries a current 2I in the opposite direction (see figure). What is the magnitude of the magnetic field at b<r<c?

A very long cable made of a solid inner cylinder and a
coaxial, cylindrical, outer shell with finite thickness. The inner cylinder
carries a current 41 while the outer shell carries a current 21 in the
opposite direction (see figure). What is the magnitude of the magnetic
field at b<r<
c?
A. 2141
[AT]
B. I
म
C. I
D.
C
b 21
41
с
14 (2-228²)
RT
Ho (2-228²)
Transcribed Image Text:A very long cable made of a solid inner cylinder and a coaxial, cylindrical, outer shell with finite thickness. The inner cylinder carries a current 41 while the outer shell carries a current 21 in the opposite direction (see figure). What is the magnitude of the magnetic field at b<r< c? A. 2141 [AT] B. I म C. I D. C b 21 41 с 14 (2-228²) RT Ho (2-228²)
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