Question

A Si bar 0.1 cm long and 100 Î¼m^2 in cross-sectional area is doped with 10^17 cm^-3 phosphorus. Find the current at 300 K when a potential of 10 V is applied along the bar.

Name: 2 a si bar 01cm long and 100m2 in cross sectional area is doped with 1017 cm 3 phosphorous find the current at 300k when a potential of 10v is applied along the bar 23901
Uploaded: 2023-04-23T15:05:45-08:00
Duration: 2 min 9 s
Channel: Madhur L
Description: 2 a si bar 01cm long and 100m2 in cross sectional area is doped with 1017 cm 3 phosphorous find the current at 300k when a potential of 10v is applied along the bar 23901

          A Si bar 0.1 cm long and 100 Î¼m^2 in cross-sectional area is doped with 10^17 cm^-3 phosphorus. Find the current at 300 K when a potential of 10 V is applied along the bar.

Added by Kathleen W.

University Physics with Modern Physics

Hugh D. Young 14th Edition

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Solved by Expert Madhur L

04/23/2023

Step 1

The resistivity (\(\rho\)) of silicon doped with phosphorus can be estimated using the formula: \[ \rho = \frac{1}{q \mu_n N_D} \] where \(q\) is the charge of an electron (\(1.6 \times 10^{-19}\) Coulombs), \(\mu_n\) is the mobility of electrons in Show more…

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A Si bar 0.1 cm long and 100 Î¼m^2 in cross-sectional area is doped with 10^17 cm^-3 phosphorus. Find the current at 300 K when a potential of 10 V is applied along the bar.