To prepare a P type semiconducting material the impurities to be added to silicon are :

(a) Boron, Gallium
(b) Arsenic, Antimony
(c) Gallium, Phoosphorous
(d) Gallium, Arsenic

Anurag Mishra Professor Asked on 1st February 2016 in Chemistry.
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3 Answer(s)

(a) Boron, Gallium

Pratik_Ramanuj Default Answered on 3rd February 2016.
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(a) Boron, Gallium

Pratik_Ramanuj Default Answered on 3rd February 2016.
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Answer: (a) Boron, Gallium 

Anurag Mishra Professor Answered on 21st May 2016.
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