G8B06:What is the total bandwidth of an FM phone transmission having 5 kHz deviation and 3 kHz modulating frequency?
Direct answer summary (2023-2027 NCVEC pool)
The official correct answer for G8B06 is 16 kHz.
The key fact is 16 kHz. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.