Answered: Determine the current per unit area…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

Silicon is a semiconducting metal with a resistivity of 640 Ω · m.

(a)

Determine the current per unit area through a 5.02 V silicon junction with a length of 1.64 mm. (Enter your answer in A/m².)

(b)

Find the current (in A) through the junction if its cross-sectional area is 3.00 ✕ 10⁻⁵ m².

Expert Solution

Data :

$D a t a : * R e s i s t i v i t y o f s i l i c o n, ρ = 640 Ω m * V o l t a g e, V = 5.02 V * L e n g t h, l = 1.64 m m = 1.64 \times 10^{- 3} m * C r o s s - s e c t i o n a l a r e a o f j u n c t i o n, A = 3 \times 10^{- 5} m^{2}$

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