The time period of oscillation of a freely suspended bar magnet with usual notations is given by
A
`T=2pisqrt((1)/(MB_(H))`
B
`T=2pisqrt((MB_(H))/(1)`
C
`T=sqrt((1)/(MB_(H))`
D
`T=2pisqrt((B_(H))/(MI)`
Text Solution
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The correct Answer is:
A
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