IIT JEE Advanced 2012 Paper 2

Section: Physics
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Question : 3 of 60
 
Marks: +1, -0
An infinite long hollow conducting cylinder with inner radius R/2 and outer radius R carries a uniform current density along its length. the magnitude of the magnetic field,
→
B
as a function of the radial distance r from the axis is best represented by
[JEE Adv 2012 P2]
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