Question:

A long straight hollow conducting tube carrying a current

Last updated: 6/26/2023

A long straight hollow conducting tube carrying a current

A long straight hollow conducting tube carrying a current along ve y axis as shown in the figure The line PQ is parallel to positive y axis The magnetic field at 1 2 3 and 4 is B B2 B3 and B4 respectively Then R R 2 R 4 42 3