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प्रश्न
Which type of semiconductor is obtained on mixing arsenic into silicon?
पर्याय
n-type
p-type
p-n type
n-p type
MCQ
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उत्तर
n-type
Explanation:
Silicon (Si) is a Group 14 element. Arsenic (As) is a Group 15 element and has one extra valence electron compared to silicon. When arsenic is added (doped) into silicon, it contributes free electrons for conduction. This creates an n-type semiconductor, where electrons are the majority charge carriers.
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