Decibels Flashcards
1
Q
What is the approximate amount of change, measured in decibels (dB), of a power increase from 5 watts to 10 watts? (T5B09)
A
3 dB (3 dB= 2 to 1)
2
Q
What is the approximate amount of change, measured in decibels (dB), of a power decrease from 12 watts to 3 watts? (T5B10)
A
-6 dB (6 dB= 4 to 1)
3
Q
What is the amount of change, measured in decibels (dB), of a power increase from 20 watts to 200 watts? (T5B11)
A
10 db (10 dB= 10 to 1
