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4. dio - grdelin

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Gustoća stanja se koristi prilikom proračuna srednjih vrijednosti:<br />

⊲ Broj čestica:<br />

N = ∑ i<br />

N i = ∑ i<br />

⊲ Unutrašnja energija:<br />

U = ∑ i<br />

E i N i = ∑ i<br />

⊲ Prosječna vrijednost:<br />

g i ρ i =<br />

∫ ∞<br />

0<br />

g i E i ρ i =<br />

dE g(E)<br />

∫ ∞<br />

0<br />

=<br />

}<br />

ρ(E)<br />

{{ }<br />

1<br />

e E−µ<br />

k BT ±1<br />

dE g(E) E ρ(E)<br />

A =<br />

∫<br />

dE g(E) A ρ(E)<br />

∫<br />

dE g(E) ρ(E)

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