What is the conductivity of a semiconductor sample having electron concentration of 5\times10^18m^{−3}, hole concentration of 5\times10^19m^{−3} ,electron mobility of 2.0m^2V^{−1}s^{−1} and hole mobility of 0.01 m^2 V^{−1}s^{−1} ?(Take charge of electron as 1.6\times10^{−19}C) [Main 8 April 2017]

Correct Answer is : 1.68(Ω−m)−1

JEE Main 8 April 2017 Paper Solved Paper

Section: Physics

Question : 16 of 90

Marks: +1, -0

What is the conductivity of a semiconductor sample having electron concentration of 5×1018m−3, hole concentration of 5×1019m−3 ,electron mobility of 2.0m2V−1s−1 and hole mobility of 0.01 m2V−1s−1 ?(Take charge of electron as 1.6×10−19C)

[Main 8 April 2017]

1.68(Ω−m)−1
1.83(Ω−m)−1
0.59(Ω−m)−1
1.20(Ω−m)−1

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