Question 559328
A constant tone is being applied to a speaker. The voltage across the speaker is 5 volts. The voltage across the speaker is increased to 15 volts in order to increase the sound level. What is the decibel gain, rounded to the nearest decibel?
:
db = 20*log{{{15/5)}}}
db = 20*log(3)
db = 20*.477
db = 9.54 ~ 10 db gain