A thick current carrying cable of radius ' R' carries current ' I ' uniformly distributed across its cross-section. The variation of magnetic-field B(r) due to the cable with the distance 'r' from the axis of the cable is represented by:
 
A thick current carrying cable of radius ' R' carries current ' I ' uniformly distributed across its cross-section. The variation of magnetic-field B(r) due to the cable with the distance 'r' from the axis of the cable is represented by:
Option 1 -
A
Option 2 -
B
Option 3 -
C
Option 4 -
D
- 
1 Answer
- 
Correct Option - 3
 
 
 Detailed Solution:Kindly go through the solution 
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