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A semiconductor has the electron concent...

A semiconductor has the electron concentration of `4xx10^(12) "cm" ^(-3)` and the hole concentration of `7xx10^(13)"cm"^(-3)`. Is this semiconductor n-type or p-type ?
Also calculate conductivity of its material.
Given : Electron mobility =22000 `"cm"^(2)."V"^(-1).s^(-1)` and hole mobility =150 `"cm"^(2)."V"^(-1).s^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
p type , 1.576 mho. `"m"^(-1)`
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