Question

A material is made from Al, Ga, and As. The mole fraction of each element is 0.25, 0.26, and 0.49, respectively. This material would be

A)	a metallic conductor because Al is present
B)	an insulator
C)	a p-type semiconductor
D)	an n-type semiconductor
E)	none of the above

the correct answer is C but i want to know why its not the others specifically why it's not D

Answer 1

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