EVGRAY Archive

Re: [EVGRAY] Simple buzzer circuit

Database ID: 114513
2019-09-26T19:21:42+00:00
Warren Keillor <[email protected]>

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I'll wire everything up, take a picture, and get back to you.Then, let's go from there.Cheers Warren

Sent from Yahoo Mail on Android 
 
  On Thu., 26 Sep. 2019 at 3:10 p.m., Norman Wootan [email protected] [EVGRAY]<[email protected]> wrote:       
 

Please take note?? regarding the simple circuit depicted.?? When you float this circuit, with no ground reference and have the make /break contact opening, you will get the EMI radiation due to the antiparrallel magnetic flux being converted into photon energy in the contact arcing.?? We call it radio hash and you can hear it with the old analog AM radios.?? 
 
 On 9/26/2019 9:57 AM, Norman Wootan [email protected] [EVGRAY] wrote:
  
 ??   
 
 
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  At contact opening an input voltage of 12VDC will multiply to over 1,000 V due to Oles explanation of conservation of energy.  
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Subject Re: [EVGRAY] Simple buzzer circuit
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