Magnet or metal body falling through a conductor: eddy-current braking

1. A.
   Insulating ball will reach the earth's surface earlier than the metal ball
2. B.
   Metal ball will reach the earth's surface earlier than the insulating ball
3. C.
   Both will reach the earth's surface simultaneously.
4. D.
   Time taken by them to reach the earth's surface will be independent of the properties of their materials

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1. A.
   Move down with almost constant speed
2. B.
   Oscillate inside the tube
3. C.
   Move down with an acceleration greater than $g$
4. D.
   Move down with an acceleration equal to $g$

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1. A.
   Both $A$ and $R$ are true but $R$ is NOT the correct explanation of $A$
2. B.
   $A$ is true but $R$ is false
3. C.
   Both $A$ and $R$ are true and $R$ is the correct explanation of $A$
4. D.
   $A$ is false but $R$ is true

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