114年:放射器材(2)
在 1.5T 磁場下針對體內氫原子進行共振，若射頻線圈內含有電感為 4 × 10⁻⁸ 亨利（Henry），則線圈內要加入約多少法拉（Farad）的電容？
A6.34 × 10⁻⁶
B2.64 × 10⁻⁸
C1.55 × 10⁻¹⁰
D1.22 × 10⁻¹²
詳細解析
本題觀念：
[Explain the Larmor frequency and the LC circuit of the RF coil]
選項分析
[Explain the exact math and show why C is the only correct answer]
答案解析
[Conclude that C is correct based on the calculation]
核心知識點
[List the Larmor equation, Gyromagnetic ratio for 1H, and LC resonance formula]
臨床重要性
[Why tuning RF coils is important in MRI]
參考資料
[Cite the search results]