Solve this :

5 .   Define   semiconductors .   Name   the   kind   of   semiconductor   formed   when   Si   is   doped   with   Ga .                                                                                                                                                                                                                                                                                                               1 + 1 = 2                        

Dear Student

A semiconductor is a material having electrical conductivity between conductors and insulators.
Gallium belongs to group 13. Thus, when silicon is doped with gallium, three bonds are formed between silicon and gallium and a hole is created. Thus, a p-type semiconductor is formed.

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