I am really sorry but these are related to each other, please and please show me...

I am really sorry but these are related to each other, please and please show me all the steps with clear hand writing. thanks in advance

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(a) Calculate the electrical conductivity of copper if it is given that the metal has 8.5 x 10²² conduction electrons per cm³ and the mobility of a conduction electron is 35 cm².V^-1.s^-1.

answer , units

(b) In an electronics project you need to construct your own inductor. The instructions for making this inductor is to “wind it from a 1.2 meter length of # 20 AWG (American wire gauge) copper wire.

(i) How thick is this wire in mm ?

(ii) What will be the resistance of your inductor ?

answer , units

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Q3) (i) Calculate the electrical conductivity of a piece of pure Si if it is given the number of intrinsic carriers at 300 K is 1 x 10¹⁰ cm^-3 and that the electron and hole mobilities are μ_e = 1350 cm².V^-1.s^-1 and μ_h = 450 cm².V^-1.s^-1respectively.

answer, units

(ii) Compare the conductivities between Si and Cu at 300 K as calculated from Q2 and Q3(i).

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Q4) Following on from Q3, the temperature now increases to 350 K. Describe semi-quantitatively how and why the carrier concentration and the conductivity will change due to this temperature change for both these two materials (Si and Cu).

Expert Solution

Manojponduru answered 2 years ago

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