emmacrophage Posted November 11, 2022 Posted November 11, 2022 coucou ! par rapport à ce qcm de rmn, je n'arrive pas à retrouver la valeur de l'item C (c'est la bonne réponse) merci :) Quote
Solution PASSnavigo Posted November 11, 2022 Solution Posted November 11, 2022 Salut, Pour ce qcm tu va utiliser la formule - ψ = Δt*γ*B1 - Δt = ψ/γ*B1 Données : 90° = π/2 radian γ =26.75*10⁷ B1=(π/2)*10-⁴ Δt = (π/2)/(π/2)*10-⁴*26.75*10⁷ = 1/(26.75*10³) ≈ 1/30* 10-³ = 0.033*10-³ = 33*10-⁶ = 33 μs Annihilylianation 1 Quote
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