1.

Explain why A bar magnet is placed upright on a floor (so that the axis of the magnet is vertical). A copper ring is held above the magnet, with it's plane horizontal,and released. The copper ring falls in such a manner that it's axis always coincides with that of the magnet . What will be the acceleration with which the ring will fall? Acceleration due to gravity is 10mper secsquare. A)g B) [✓] C)>g. D)the answer depends upon pole

Answer»

The acceleration of the falling magnet will be less than acceleration due to gravity. ... This flow of CURRENT will be induced in such a way that it will create a magnetic field which would OPPOSE the change and will RESULT in an upward force acting on the bar magnet and hence decreasing the acceleration of the FALL.



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