For a sample of silicon, the electrical conductivity at room temperature is 5.87 times 10⁻³( Omega *m)⁻¹ and the concentration of holes is known to be 7.0 times 10¹⁷m⁻³.
(a) Using the equation for electrical conductivity, calculate the resistivity of the silicon sample.
(b) Calculate the mobility of the holes in the silicon sample.
