Question
Mon April 07, 2014 By: Yash Sahu

(A)the coil is placed co-axially to an another coil whose current is changing (B)a bar magnet is placed along the axis of the coil, both the magnet and the coil is moving with the same speed in the same direction (C)a bar magnet is placed along the axis of the coil ,both the magnet and the coil is moving with same speed but in opposite direction (D)In a constant magnetic field, the coil is rotated about its diameter as shown  

Expert Reply
Wed April 09, 2014
Current will be induced in the following cases:
 
(A)the coil is placed co-axially to an another coil whose current is changing
 
(C)a bar magnet is placed along the axis of the coil ,both the magnet and the coil is moving with same speed but in opposite direction
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