AP EAMCET Engineering 2013 Solved Paper

Section: Physics

Question : 26 of 160

Marks: +1, -0

A short bar magnet having magnetic moment 4Am2, placed in a vibrating magnetometer, vibrates with a time period of 8s. Another short bar magnet having a magnetic moment 8Am2 vibrates with a time period of 6s. If the moment of inertia of the second magnet is 9×10−2kg−m2 , the moment of inertia of the first magnet is
(assume that both magnets are kept in the same uniform magnetic induction field.)

9×10−2kg−m2
8×10−2kg−m2
5.33×10−2kg−m2
12.2×10−2kg−m2

Validate

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