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RMN


Go to solution Solved by FromageDeChèvre,

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  • Solution
Posted

En fait on ne te demande pas de calculer M0 en soit, mais le pourcentage de M0.

Avec cette formule : Mx = M0 . sin Θ . e-t/T2      il faut calculer sin Θ . e-t/T2

Pour Θ=90º : sinΘ=1    ==> Mx = M0 . e-t/T2

Avec T2(A)= 100 ms = 0,1s :   e-t/T2 = e-0,1/0,1 = e1 = 0,37

Donc C FAUX, et D VRAI

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