By Alice Spencer,2014-09-13 15:52
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The birth of radio Equipment used in detecting radio waves experiment An induction coil is connected to a six volt DC power supply. The coil (solenoid) is connected to a digital multimeter in the second experiment and to a small LED (light emitting diode) shown here. The birth of radio 2 2004 A modern home radio with AM, FM and short wave bands. Thi..

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