The length of germanium rod is 
and its area of cross-section is 
. If for germanium. 
then resistivity is
A
B
C
D
-m
Text Solution
Verified by ExpertsThe correct answer is:
A
We have,
Intrinsic charge carrier, 
,
Mobility of hole, 
and mobility of electron, 
As we know that, conductivity is given by
Resistivity, 
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