Chemical analysis of a silicon crystal reveals gallium at a level of 3.091×10−8 atomic percent. Assuming that the concentration of thermally excited charge carriers from the Si matrix is negligible, what is the density of free charge carriers (free carriers/cm3) in this Si crystal?
9 answers
The answer 1.598e14 was not right for me too. Any ideas what happen and how to write it out?
As its Si: 5.00*10^22 / (gallium level*10^-2)
Thank you someguy
how can you do this one?
What is the formula?, please
but answer is not right its not 5.00*10^22
guys check ur index value of the gallium levels they are different
CHEAT!
These are midterm exam problems. They shouldn't be posted here. Anyone who does Deserves yo be kicked off the course.
These are midterm exam problems. They shouldn't be posted here. Anyone who does Deserves yo be kicked off the course.
(6.023*10^23)/(12.05)=m
m*(3.091*10^-8)*(10^-2)=
m*(3.091*10^-8)*(10^-2)=
0 answers