1.

As shown in fig. a conducting ring R is placed on the axis of a bar magnet M. The plane of R is perpendicular to the axis M can move along this axis _____

Answer»

M will repel R when it is moving TOWARDS R
M will attract R when it is moving towards R
M will repel R when moving towards as WELL as away from R
M will attract R when it is moving towards as well as away from R

Solution :When the magnet moving towards RING equal poles are induced in ring and it will repel between two poles.


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