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Manipal Entrance Test 2018 Physics Paper
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© examsnet.com
Question : 26
Total: 50
A bar magnet is released into a copper ring directly below it. The acceleration of the magnet will be
equal to the acceleration due to gravity at that place
less than the acceleration due to gravity at that place
greater than the acceleration due to gravity at that place
twice the acceleration due to gravity at that place
Validate
Solution:
According to Lenz's law acceleration of the magnet will be less than the acceleration due to gravity due to the fact that emf induced in the ring opposes the motion of magnet.
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