Revision history of "Speaker as a Microphone"

From UO Physics Demonstration Catalog

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  • curprev 13:54, 20 April 2022Physdemo talk contribs 1,028 bytes +1,028 Created page with "{{NewDemo|subject=Electricity and Magnetism|topic=Inductance|file1=speaker microphone.jpg}} Show how a speaker can be used as a microphone by connecting it to the oscilloscope! As shown in the photo, connect the two wires from a speaker to the CH. 1 input on the oscilloscope using a BNC cable. By tapping the speaker with your finger, you can see waveforms similar to the one in the photo. You can also whistle, yell, or sing into the speaker to show the waveform that your..."