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| Video: MIT Physics Demo -- Telegraph Transmitter |
Author: m Description: A solenoid enclosed in another solenoid is connected to a 12 volt battery. Also contained in the circuit is an iron contact switch connected to a spring arm, with a gap on one side of it. When the circuit is closed, the inner solenoid attracts the iron switch across the small gap. This breaks the circuit, making the switch move back to its original position, which closes the circuit again. Thus, t... Duration: 3 seconds Date: Mié 12-31-1969 18:00 Rated: 4 Played: 1 times Tags: mit mittechtv physics demonstration demo telegraph wireless telegraphy transmitter electromagnetic radiation spark gap |
Total comments: 6> Joelduffy said on 12-04-2009 at 03:43:
> Poparotzi said on 10-22-2009 at 13:51:
> BirdValiant said on 10-03-2009 at 21:48:
> kdc43 said on 07-20-2009 at 20:02:
> marsCubed said on 03-25-2009 at 22:03:
> FORCETHETRUTH said on 03-23-2009 at 18:03:
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