Multiple Choice
A very long, hollow, thin-walled conducting cylindrical shell (like a pipe) of radius R carries a current along its length uniformly distributed throughout the thin shell. Which one of the graphs shown in the figure most accurately describes the magnitude B of the magnetic field produced by this current as a function of the distance r from the central axis? 
A) 1
B) 2
C) 3
D) 4
E) 5
Correct Answer:

Verified
Correct Answer:
Verified
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