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- #Exemplar Physics for Class 12
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Can the potential barrier across a p-n junction be measured by simply connecting a voltmeter across the junction?
Answers (1)
We cannot measure the potential barrier of a PN-junction by connecting a sensitive voltmeter across its terminals because in the depletion region, there are no free electrons and holes and in the absence of forward biasing, PN- junction offers infinite resistance.
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