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* Why does it work better on one axis of the magnet? (hint rub 2 magnets together)
 
* Why does it work better on one axis of the magnet? (hint rub 2 magnets together)
 
* Graph pitch. Explain the result.
 
* Graph pitch. Explain the result.
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==Carbon Microphone==
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Required:
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* charcoal
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* aluminium foil
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* plastic lid
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* wire
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* rubber band
    
==Links==
 
==Links==
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