i really a little help here :(

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gensal

Joined Dec 26, 2013
12
I need help in explaining this circuit. In this link

<SNIP>

I really need a complete and detailed current flow in this circuit. This is an emergency light, and I'm so confused why the current wont flow into the transistors whenever their is an AC supply. And what are the purpose of each of those resistors, capacitors and transistors. I badly need an explanation because I'm doing a report for this and i really cant understand it :(((

I'm still a new in electronics. That's why if there would be someone willing to explain it, i will gladly appreciate it. Please help me. Thank you.
 
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bertus

Joined Apr 5, 2008
22,270
Hello,

I am closing this thread as it violates AAC policy and/or safety issues.

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Bertus
 
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