If a magnet is dropped along the axial line of a horizontally held copper ring, then the acceleration of the magnet while it passing through the ring will
A
Less than that due to gravity
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B
Equal to that due to gravity
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C
More than that due to gravity
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D
Depend on the size of the ring and magnet
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Solution
The correct option is A Less than that due to gravity The induced current in the copper ring will oppose the cause of its production which is fall of the magnet here. Hence, acceleration of the magnet will be less than that due to gravity.