8 predavanje Flashcards

1
Q

amperov zakon

A

∮H * dℓ=Iob=Θ Θ magnetno motorna sila
Iob je npr 2 struje gore 1 dole i1+i2-i3

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2
Q

jakost magnetskog
polja oko beskonačno dugog pravocrtnog vodiča protjecanog istosmjernom
strujom jakosti I.

A

H=I * r/2πr₀² r manji od r₀
H=I /2πr r veci ili jednak r₀
H * 2πr=i * (sob/s)

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3
Q

H torusna zavojnica

A

r1<=r<=r2 unutar zavojnice
H=N * I/ℓ=N * I/2

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