Questions
Regarding a semiconductor which one of the following statements is wrong?
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a
There are no free electrons at room temperature.
b
There are no free electrons at 0 K.
c
The number of free electrons increases with rise of temperature
d
The charge carriers are electrons and holes .
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Correct option is A
There are no free electrons at 0 K as semiconductors behaves as insulator at this temperature.Similar Questions
What will be the conductivity of pure silicon crystal at 300 K temperature if electron cotter pair at this temperature is and and
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