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taknavaz
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Joined: 12-October 05
Profile Views: 155*
Last Seen: 26th October 2008 - 08:08 AM
Local Time: Nov 21 2008, 04:03 PM
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taknavaz

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17 Oct 2008
Hello
There is a transformer that use to connect the star center to the earth please describe to me about :
Characteristics and usages of this transformers.
Thanks.
17 Oct 2008
Hello
In somewheres we must use the IT earth system(without earth wire), for example in surgery.
Please present to me another exapmle(10 useges).
Thanks
2 Jan 2008
Hello


I want a circuit to convert the current (4-20 mA) to voltage with high accuracy.

thanks
18 Sep 2007
hello

Please help me about the operation of this circuit:



1- how doese work this circuit?
2- what doese the duty of capacitor in this circuit?
3- how doese work the ULTRA VIOLET LAMPS?
please explain simply and as far as possible by formula.
thanks.
Attached File(s)
Attached File  circuit1.bmp ( 420.46K ) Number of downloads: 14
 
20 Aug 2007
Hi

on a capacitor is writed:
8 micro farad
2500 wv
what does the last mean?
thanks.
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