long cylindrical, outer der carries a curre
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answer thanks.
![A very long cable made of a solid
O 31
inner cylinder and a coaxial, cylindrical, outer shell with
finite thickness. The inner cylinder carries a current I while
the outer shell carries a current 21 in the opposite direction
(see figure). What is the magnitude of the magnetic field at
H,31
b <r < c?
61
а.
2 +
-
2nr
H,31
2ur
H,31
1 + 2
_ 2
2tr
d.
H,31
1 - 2-
2nr
b.
C.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6e10c9f6-26eb-4de2-9d67-77d7505937ce%2F30e4ec4b-b45b-488f-9d68-9b30bd87a691%2Fvkk3vq_processed.png&w=3840&q=75)
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