Which of the following will produce p-type semiconductor?

Silicon doped with phosphorus

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Germanium doped with Arsenic

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Gallium doped with Arsenic

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Germanium doped with gallium

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Solution

The correct option is D
Germanium doped with gallium

Germanium is group 14 element white gallium is group 13 element. Hence, a hole will be created. i.e., it will be p-type semiconductor

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If germanium is doped with arsenic, what kind of semiconductor will be formed?

Silicon doped with Arsenic is an example of:

p

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