A silicon sample A is doped with 1018 atom/cm3 of Boron and another si – McqOptions

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1.	A silicon sample A is doped with 1018 atom/cm3 of Boron and another silicon sample B of identical dimensions is doped with 1018 atom/cm3 of Phosphorous. If the ratio of electron to hole mobility is 3, then the ratio of conductivity of sample A to that B is:
A.	\(\frac{3}{2}\)
B.	\(\frac{2}{3}\)
C.	\(\frac{1}{3}\)
D.	\(\frac{1}{2}\)
Answer» D. \(\frac{1}{2}\)

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