All Questions
Tagged with semiconductors voltage
2
questions
45
votes
8
answers
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Why isn't there a potential difference across a disconnected diode?
I know this question sounds silly, as if there was a potential difference a current would be created when the terminals are connected together and this would mean energy has come from somewhere.
The ...
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4
votes
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answer
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Measuring barrier potential of a pn junction using a voltmeter
The image above is from the book "The Electronics companion". Can someone please explain why the barrier potential of a pn junction cannot be measured due to the presence of the contact potential?
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