E5A12:What is the half-power bandwidth of a resonant circuit that has a resonant frequency of 3.7 MHz and a Q of 118?
Direct answer summary (2024-2028 NCVEC pool)
The official correct answer for E5A12 is 31.4 kHz.
The key fact is 31.4 kHz. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.