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GATE 2024 BM – Question 33

Medical Imaging Systems · Magnetic Resonance Imaging · 1 mark · Numerical answer

Sodium gyromagnetic frequency ratio is 11.26 MHz/T. Find its Larmor frequency at 3 T, nearest integer MHz.

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Correct answer: 33 to 34

Explanation

The supplied frequency ratio multiplies magnetic field directly: f=11.26×3=33.78 MHz. Rounding to the nearest integer gives thirty-four MHz. No angular-to-cycle factor is needed because the ratio is already in MHz/T.

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