An n-type silicon bar 0.1 cm long and 100 μm2 cross-sectional area ha – McqOptions

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1.	An n-type silicon bar 0.1 cm long and 100 μm2 cross-sectional area has a majority carrier concentration of 5 x 1020 /m3 and the carrier mobility is 0.13 m2/V-s at 300 K. If a charge of an electron is 1.6 X 10-19 coulomb, the resistance of the bar is
A.	106 ohm
B.	107 ohm
C.	105 ohm
D.	104 ohm
Answer» B. 107 ohm

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