Which decibel value most closely represents a power decrease from 12 watts to 3 watts?
Dropping from 12 watts to 3 watts reduces power to one quarter. Each halving is about -3 dB, so two halvings are about -6 dB.
Technician · FCC Element 2 · answer reveals automatically
Dropping from 12 watts to 3 watts reduces power to one quarter. Each halving is about -3 dB, so two halvings are about -6 dB.