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FYS102 > Elektromagnetiske bølger > Flashcards

Elektromagnetiske bølger Flashcards

1
Q

Elektrisk energitetthet

A

Ue = (1/2) ε0 Eˆ2

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2
Q

Magnetisk energitetthet

A

Ub = (1/2μ0) Bˆ2

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3
Q

forholdet mellom E-felt og B-felt i en EM-bølge

A

E = cB

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4
Q

Intensiteten, S til en EM-bølge

A

S = P/A = totalt energi / tA
S = c Utot, hvor Utot = Ue+Ub

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FYS102 (11 decks)

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