When a trivalent material like Indium or Galium is added to Ge, we get a __________. (n-type material, p-type material, semiconductor, None of these)

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Abuzar Sayyed

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p-type material
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Trivalent leads to p-type. As one electron is less and hence creates a hole.
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Deep Classes Nerul West Branch

P type
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p type material
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p type
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P-type
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p types
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Insulator can act as a semiconductor if heated or foreign material is added (for ex. Group III or Group V elements). The second type is called extrinsic semiconductor. It can be n-type or p-type. If Group III(trivalent material) element is added then it is called p-type semiconductor.
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p-type semiconductor
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