Answer Happy

Posted: **Wed May 18, 2022 4:31 pm**

: Q1 Human Ear Has The Dynamic Range Of 120db And It Can Hear The Weakest Sound Of 10 9 Nw M If A Microphone Picks Up A 1 (39.05 KiB) Viewed 47 times

Q1: Human ear has the dynamic range of 120dB and it can hear the weakest sound of 10-9 nW/m². If a microphone picks up a sound at 5 mW/m², compute the maximum gain of the amplifier (in dB) to generate the loudest signal that the humans can tolerate. (5 points)