#6 Flashcards

1
Q

Campo magnético no fio

A
B = ui / 2.pi.r
u = permeabilidade magnética (constante)
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2
Q

Campo magnético na espira

A

B = u.i/2.r

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3
Q

Campo magnético no solenoide

A

B = u.i.N/l

N/l = número de voltas por unidade de comprimento

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4
Q

Força magnética

A

F = |q|. V. B. sen ângulo

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5
Q

Lei de Faraday

A

€ induzida = |variação do fluxo magnético| / variação do tempo

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