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Solved Problems-1

Problem-1
(a) In a cylindrical conductor to the region 0.01 ≤ r ≤ 0.02, 0 < z < 1 m and the current density is given by,
Description: Description: 87960.png
 
Find the total current crossing the extential of this region with φ = constant plane.
 
(b) Find the total current in a circular conductor of 4 mm radius if the current density varies according to Description: Description: 87953.png A/m2.
Solution
(a) Total current in the wire is given as,
Description: Description: 87944.png
Description: Description: 151624.png
Description: Description: 151631.png
Description: Description: 151635.png
Description: Description: 152642.png
Description: Description: 151642.png
 
(b) Total current is given as,
Description: Description: 87928.png
 





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