Homework Help: Physics

Posted by Michael on Wednesday, November 16, 2011 at 1:45am.

In the experiment, a meter is hooked up to a speaker to monitor the amplitude of the received sound. Suppose the background signal level is 15 mV, the signal is 90 mV with no attenuator and is 30 mV with an attenuator in place. Calculate pt/pi including the background correction.

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