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Questions  

When the temperature of silicon sample is increased from 27°C to 100°C, the conductivity of silicon will

a
Increase
b
Decrease
c
Remain same
d
be zero

detailed solution

Correct option is A

Conductivity of semiconductors increases with rise in temperature.

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What will be the conductivity of pure silicon crystal at 300 K temperature if electron cotter pair at this temperature is  1072×1010/cm3 and μn=1350cm2/Vs and μp=480cm2/Vs?


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