A copper ring is held horizontally and a bar magnet is dropped through the ring with its length along the axis of the ring. The acceleration of the falling magnet while it is passing through the ring is [CBSE PMT 1996; MP PET 1990, 99; CPMT 1991, 99; JIPMER 1997; CPMT 2003; MP PET/PMT 2001; KCET 2001; Kerala (Engg.) 2001]

• A.            Equal to that due to gravity
• B.            Less than that due to gravity
• C.            More than that due to gravity
• D.            Depends on the diameter of the ring and the length of the magnet