E4D14:What power level does a receiver minimum discernible signal of -100 dBm represent?
Direct answer summary (2024-2028 NCVEC pool)
The official correct answer for E4D14 is 0.1 picowatts.
The key fact is 0.1 picowatts. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.