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In semiconductor the concentrations of e...

In semiconductor the concentrations of electron and holes are `8xx10^(18)//m^(3)` and `5xx10^(18)//m` respectively. If the mobilities of electrons and hole are `2.3 m^(2)//`volt-sec and `0.01m^(2)//` volt-sec respectively, then semicondutor is

A

N -type and its resistivity is `0.34` ohm - metre

B

P -type and its resistivity is `0.034` ohm - metre

C

N -type and its resistivity is `0.034` ohm - metre

D

P -type and its resistivity is 3.40 ohm - metre

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The correct Answer is:
A
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ERRORLESS -ELECTRONICS-Selv Evaluation Test
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  8. In the following circuit I(1) and I(2) are respectively

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