Friday, 22 April 2016

A copper sheet is placed in a plane perpendicular to B acting from below. A sudden change in B is not detected above the sheet because

(a) the sheet obstructs the view of the magnetic field below
(b) the magnetic field is not able to pierce the copper sheet
(c) an induced emf is set up in the sheet which opposes the field

Ans: C

No comments:

Post a Comment