A bar has a magnetic moment equal to `5xx10^(-5) weberxxm`. It is suspended in a magnetic field which has a magnetic induction (B) equal to `8pixx10^(-4)` tesla. The magnet vibrates with a period of vibration equal to 15 sec. The moment of intertia of the magnet is
A
`22.5kgxxm^(2)`
B
`11.25xxkgxxm^(2)`
C
`5.62xxkgxxm^(2)`
D
`7.16xx10^(-7)kg-m^(2)`
Text Solution
Verified by Experts
The correct Answer is:
D
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