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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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BANSAL-MASTER PRACTICE PROBLEM-Additional topic
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  2. Truth table for system of four NAND gates as shown in figure is : .

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