How they got formula 1.7 from formula 1.6

  • Thread starter nhrock3
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  • #1
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15wf0vm.jpg

there is no rho in 1.6
and E dissapeared

??
 

Answers and Replies

  • #2
Borek
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I have not the slightest idea what it is all about, but perhaps σρ=1.
 
  • #3
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its about solid state physics and semiconductors
and there is no rho in 1.6
 
  • #4
1,482
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What work have you done so far to find how σ and ρ are related?

You obviously have gaps in the subject and should review EM before continuing on. It's such a simple relationship.
 
  • #5
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[tex]\sigma =\frac{ne^2\tau }{m}[/tex]


[tex]E =\rho J[/tex]

[tex]\tau=\frac{m}{\rho n e^2}[/tex]
 
Last edited:
  • #6
1,482
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here is a hint.

What is definition of σ?

What is definition of ρ?


can you find this out please.
 
  • #7
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thanks :)
 

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