User talk:Prathyush reddy
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June 2016
[edit]Hello, I'm Widr. I wanted to let you know that one or more of your recent contributions to Negative feedback amplifier has been undone because it did not appear constructive. If you would like to experiment, please use the sandbox. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Widr (talk) 17:58, 1 June 2016 (UTC)