Q7/ Silicon has a conductivity of 5 x 10- (N.m)-1 when pure. How many indium atoms/m3 are required so that the conductivity of 200 (N.m) could be achieved in silicon using indium as an impurity? Given that the mobility of holes in silicon is 0.05 m2 and of electrons is V. Sec m2 0.13 V. Sec

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Q7/ Silicon has a conductivity of 5 x 10- (N.m)- when pure. How
many indium atoms/m3 are required so that the conductivity of
200 (.m)- could be achieved in silicon using indium as an impurity?
m2
Given that the mobility of holes in silicon is 0.05
and of electrons is
V. Sec
m
0.13
V. Sec
Transcribed Image Text:Q7/ Silicon has a conductivity of 5 x 10- (N.m)- when pure. How many indium atoms/m3 are required so that the conductivity of 200 (.m)- could be achieved in silicon using indium as an impurity? m2 Given that the mobility of holes in silicon is 0.05 and of electrons is V. Sec m 0.13 V. Sec
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