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Confused! kindly explain, A cylinder conductor of radius R is carrying a constant current , The plot of the magnitude of magnetic field , B with the distance d from , the center of the conductor , is correctly represented by the figure :

A cylinder conductor of radius R is carrying a constant current , The plot of the magnitude of magnetic field , B with the distance d  from , the center of the conductor , is correctly represented by the figure : 

 

  • Option 1)

  • Option 2)

     

  • Option 3)

     

  • Option 4)

 
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In side cylinder B =

 \frac{\mu _0 ir }{2 \pi R^2 } \\\\ B_{out} = \frac{\mu _0 i }{2 \pi r }


Option 1)

Option 2)

 

Option 3)

 

Option 4)

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