Wiht Wire
Wiht Wire
Plan and design an experiment....Help please....its due Monday.?
Okay will i have a experiment to deign using
Cathode Ray oscilloscope (CRO)
Microphone
Connecting Wires
Tuning Fork
ps. a signal generator CANNOT be used.
The experiment is to "Design an experiement to investigate how the output of a microphone varies with the frequency of the sound waves which it recieves"
Can you help me wiht this please....i need some pointers...i have no idea what to do..
Thank you very much.
how do i set up the equipment?
BillRussell42 makes good sense.
If you've got only one tuning fork you can't vary its frequency (unless you take a hacksaw to it, and there isn't one in your parts list.)
However, *if* your oscilloscope is very sensitive, or *if* your microphone has a high output, you might be able to see the signal. Connect the Y input of the oscilloscope to the microphone output, ping the tuning fork and perhaps put it in contact with the microphone. You should see the CRO trace form a sine wave, and if you can adjust the trigger level and timebase speed to get a steady trace, you can see how long each cycle of the input takes. That length of the cycle is what varies as the frequency varies.
(Where does it say you can't hum or whistle into the microphone? Forget the tuning fork. That would be a way of getting different frequencies.)
I may be a cynic- OK, I *am* a cynic- but I suspect the question was put to you by somebody who has never done such an experiment themselves.
Thanks for visiting!