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What is the ratio of magnetic moments of...

What is the ratio of magnetic moments of two bar magnets of identical dimensions and masses if there periods are in the ratio 1:2, when suspended freely ?

Text Solution

Verified by Experts

`T=2pisqrt1/(MB_H)`
` therefore T_1/T_2=sqrt(M_2/M_1)`
`1/2=sqrt(M_2/M_1)`
` thereforeM_1/M_2=4/1`
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