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Electrical Engineering · all questions

Semiconductor Theory
practice.

Practice every MCQ with options. Use Show answers when you want the correct option and solution.

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In a semiconductor, current conduction is due to

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As the doping to a pure semiconductor increases, the bulk resistance of the semiconductor ___________

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When a pentavalent impurity is added to a pure semiconductor, it becomes

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The barrier voltage at a pn junction for germanium is about

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In the depletion region of a pn junction, there is a shortage of

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A trivalent impurity has valence electrons

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The random motion of holes and free electrons due to thermal agitation is called ___________

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The leakage current across a pn junction is due to ___________

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When a pure semiconductor is heated, its resistance ___________

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A reverse bias pn junction has ___________

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The most commonly used semiconductor is ___________

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An n-type semiconductor is

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