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Old 09-09-2012, 03:50 PM
Woodlets Woodlets is offline
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Join Date: Sep 2012
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This is more of a comment or confusion on my part.
In they show
electron flow for N & P types; but reverse the polarity which adds confusion.
I my re-rendering of theis picture correct or not? I modified it to keep the polarities the same.

Thanks Woodlets
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Old 09-09-2012, 08:53 PM
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Bill_Marsden Bill_Marsden is offline
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Feedback and Suggestions Forum for providing feedback and suggestions about All About Circuits, including corrections to the e-book. This forum is not for getting help with technical questions.
This was neither feedback nor a suggestion, so I have moved it to a more appropriate forum.

The illustration shows holes, which are the absence of electrons. While not physically there they are electrically exist, they exist by their absence. It is this electrical presence that semiconductors do what they are able to do.
"Good enough is enemy of the best." An old engineering saying, Author unknown.

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If you have a question, please start a thread/topic. I do not provide gratis assistance via PM nor E-mail, as that would violate the intent of this Board, which is sharing knowledge ... and deprives you of other knowledgeable input. Thanks for the verbage Wookie.
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Related Site Pages
Section Title
Textbook More on AC "polarity" : Complex Numbers
Worksheet Bipolar junction transistor theory
Worksheet Electron versus Conventional flow
Worksheet PN junctions
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Worksheet Basic circuit troubleshooting
Worksheet Switches
Worksheet Voltage, Current, and Resistance
Video Lecture Logic Gates - Logic States - Digital

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