A cylindrical wire of radius R is carrying current i uniformly distributed over its cross-section. If a circular loop of radius ' r ' is taken as amperian loop, then the variation value of 
over this loop with radius ' r ' of loop will be best represented by:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Current within radius 
:
for 
Parabolic
for 
Constant
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