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Where the electrons donated by impurity atoms sit in an n-type semiconductor's band diagram

The same question, asked 3 times: 15 May 2023 S1, 22 Apr 2025 S2, 20 Apr 2026 S1. Every wording below, oldest first.

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  1. Question 1

    15 May 2023 S1

    32
    In an extrinsic n-type semiconductor, the free electrons donated by the impurity atoms occupy energy levels in

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  2. Question 2

    22 Apr 2025 S2

    46
    In n-type semiconductor, free electrons donated by the impurity atoms occupy energy levels in

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  3. Question 3

    20 Apr 2026 S1

    150
    In the band structure of n-type semiconductor , the free electrons donated by impurity atoms occupy energy levels in

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