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16-05-2023
Physics

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RF Excitation and Relaxation A rectangular RF pulse (shown in fig.) given by
B1(t) = A rect(t/10^-5) [cos(2TTVot)X + sin(2TrVot)y]

is used to tip the magnetization vector away from its equilibrium position along the z-axis by 150. What is the value of A required to achieve this tip angle? (10 points)

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