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Questions  

In intrinsic semiconductor  at room temperature, number of electrons and holes are

a
Unequal
b
Equal
c
Infinite
d
Zero

detailed solution

Correct option is B

In  intrinsic  semiconductors,  at  room  temperature ne=nh

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In pure silicon at 300 K the electron and hole concentration is each equal to 1.5×1016m3 When doped with indium, the hole concentration increases to 4.5×1022m3 What is the electron concentration in doped silicon?


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