Elektrisk potensiell energi Flashcards

1
Q

Potensialforskjell

A

dV = Vb-Va = (dU/q0) = (-Wab/q0)

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2
Q

Potensial for punktladning

A

V = (kq/r)

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3
Q

Parallellplatekondensator: Potensialforskjellen mellom 2 plater

A

E = - (dV/ds) Hvor ds er avstanden

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4
Q

Kapasitans C (Kondensator)

A

C0 = Q/dV = ε0 (A/d) enhet Farad
C = κC0 (κ-materialkonstant)

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5
Q

Endring i elektrisk potensiell energi

A

dU = 1/2 (QdV) = 1/2 C (dVˆ2)

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