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CBSE XII
>>
Physics
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Semiconductor electronics
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Q)
The number of silicon atoms per
m
3
is
5
×
10
28
This is doped simultaneously with
5
×
10
22
atom per
m
3
of and
5
×
10
26
per
m
3
atoms of indium . Calculate the number of electrons and holes . Given that
n
i
=
1.5
×
10
16
m
−
3
. material n -type or p type
4.54
×
10
10
m
−
3
4.54
×
10
10
m
3
4.54
×
10
9
m
3
4.54
×
10
9
m
−
3
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