Question

answer my question please​

Answer 1

Ⓗⓞⓛⓐ ⓜⓐⓣⓔ

① since electron concentration increases show the majority carrier in the deep the semiconductor are electrons and the new semiconductor is N type semiconductor .

② we know,ne nh = ni^2

nh = ni^2/ne

= (6×10^8)^2/8×10^12

= 4.5 × 10^4/m^3

✌✌

Answer 2

Check the attachment :)