Speakers and electro magnets
120 بار بازدید -
6 سال پیش
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I have taken appart a
I have taken appart a speaker and was messing around with the coil at different frequencies from 20 htz to 20,000 htz.
all speakers have a coil which is really just an electro magnet.
6 سال پیش
در تاریخ 1397/08/15 منتشر شده
است.
120
بـار بازدید شده