Sensitive audio detector - solenoid help

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cygnet

Joined Mar 6, 2015
1
I'm attempting to do the "Sensing AC magnetic fields" experiment... how much AC voltage should I see across the coil of wires? No matter where I try (circuit breaker, TV, laptop, speakers, etc) I don't see anything more than 1 or 2mV AC (testing it with a multimeter).
 
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