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What is the conductivity of a semiconduc...

What is the conductivity of a semiconductor (in `Omega^(-1) m^(-1)`) if electron density `= 5 xx 10^(12) cm^(-3)` and hole density `= 8 xx 10^(13) cm^(-3)`?
`(mu_(e) = 2.3 V^(-1) s^(-1)m^(2), mu_(h) = 0.01 m^(2) V^(-1) s^(-1))`

A

`5.634 Omega^(-1) m^(-1)`

B

`1.968Omega^(-1)m^(-1)`

C

`3.421Omega^(-1)m^(-1)`

D

`8.964Omega^(-1)m^(-1)`

Text Solution

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The correct Answer is:
B
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