Dipôles Flashcards

1
Q

Moment électrostatique

A

P=q*NP avec q(tot)=0

P= ∑qi * OAi

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2
Q

Moment magnétostatique

A

M= 1/2 ∬OP ^ J(v)(P).dTo(P)

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3
Q

Potentiel V

A

V= P.Ur / ( 4πɛ0r² )

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4
Q

Potentiel vecteur A

A

A(M) = µ0 / (4π*r²) M ^ Ur

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5
Q

Champ Er, E, Eθ, Eφ

A
Er = 2P*cos(θ) / 4π*ɛ0*r^3
Eθ = P*sin(θ) / 4π*ɛ0*r^3
Eφ = 0
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6
Q

Champ E total :

A

E = 1 / 4πɛ0r^3 * (3(P.Ur)Ur - P)

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7
Q

Champ B total :

A

B = µ0 / 4π*r^3 * (3(M.Ur)Ur - M)

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8
Q

Couple Γ de E

A

Γ = P ^ Eext

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9
Q

Couple Γ de B

A

Γ = M ^ Bext

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10
Q

Energie potentielle de E

A

Ep = - P.Eext

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11
Q

Energie potentielle de B

A

Ep = - M.Bext

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