Answer to Question #44696 in Electromagnetism for satyadev
a long straight hollow conductor tube carrying a current has two section A and C of unequal cross section joined by a conical section B. 1,2 and 3 are the points on line parallel to the axis of conductor.
the magnetic field at 1,2 and 3 is equal or unequal if your answer is equal then why?
shape of conductor like a bottle