THIS IS NOT THE ANSWER 0a22rTHETA HATSolutionfor r a curre
THIS IS NOT THE ANSWER
((?0a2)/2r)THETA HAT
Solution
for r < a :
current, I = current density x area = j pi r^2
Using ampere\'s Law,
B . L = u0 Iinside
B ( 2pi r ) = (u0 j pi r^2)
B = u0 j r / 2
direction = theta cap
B = (u0 j r / 2) theta cap
