Question: what formula and how do you do this question d) Given that effective mass of an electron, mn, is 9.111031kg, q is 1.61019C and the

what formula and how do you do this question

d) Given that effective mass of an electron, mn, is 9.111031kg, q is 1.61019C and the mobility of said electron, c, in silicon is 1400cm2.(V.s) 1. Calculate the mean time between collisions at room temperature

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