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Magnetska svojstva materijala - > - grdelin

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Hallov efekt<br />

Riješenje je:<br />

⃗E = ⃗ A + q τ<br />

m ⋆ (<br />

⃗B × ⃗ A<br />

)<br />

⃗A ‖ = E ⃗ ‖<br />

E<br />

⃗A ⊥ = ⃗ ⊥ − q τ<br />

m<br />

B ⃗ × E ⃗ ⋆ ⊥<br />

1 + ( q τ<br />

) 2<br />

m B ⃗ 2<br />

⋆<br />

gdje indeksi ‖ i ⊥ označavaju komponente paralelne i okomite na<br />

magnetsko polje. Izlazi da je gustoća struje:<br />

⃗j ‖ = σ 0<br />

⃗ E‖<br />

E⊥ ⃗ −<br />

⃗j q τ<br />

m<br />

B<br />

⊥ = σ ⃗ × E ⃗ ⋆ ⊥<br />

0<br />

1 + ( q τ<br />

) 2<br />

m B ⃗ 2<br />

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