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प्रश्न
From which neighbouring groups of the periodic table are dopants for silicon and germanium chosen?
पर्याय
14th and 13th groups
14th and 15th groups
13th and 14th groups
15th and 13th groups
MCQ
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उत्तर
Silicon and germanium are in the 14th group. Their dopants are chosen from its neighbouring 15th and 13th groups.
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