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  #1600  
Old 5th December 2022, 07:27
Engine Serang Northern Ireland Engine Serang is offline
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Join Date: May 2017
Location: Dublin,but I'd rather be in Stavanger.
Posts: 3,032
It's no wonder I struggled with A-Level physics. Sound and the introduction of n-p-n diodes caused me many problems. On mature reflection it may have been p-n-p diodes. And 55 years later I can barely use an I-Phone.
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