The field in a section of pipe being magnetised by means of a central conductor isstronger at:

The field in a section of pipe being magnetised by means of a central

1.	The field in a section of pipe being magnetised by means of a central conductor isstronger at:
A.	The ends of the pipe
B.	The outer surface of the pipe
C.	The inside surface of the pipe
D.	The middle of the pipe wall
Answer» D. The middle of the pipe wall