Formules Flashcards

Hoofdstukken 3,4,9,10 en 14.3/4

1
Q

I=Q/t

A

I= stroomsterkte(A), Q= lading(C) en t= tijd in seconde

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2
Q

U= I•R

A

U= spanning(V), I= stroomsterkte(A) en R= weerstand(Ω)

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3
Q

G= 1/ R (R= 1/G)

A

G= geleidbaarheid(S) en R= Weerstand (Ω)

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4
Q

P= E/t (1)

A

P= vermogen (J/s of W) en E= energie(J)

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5
Q

E= P•t (2)

A

E in kWh, P in kW en t in uur.

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6
Q

P= U•I

A

P= vermogen(W), U= spanning(V) en I= stroomsterkte(A)

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7
Q

R= 𝞺 • l/A

A

R= weerstand(Ω), 𝝆= soortelijke weerstand(Ωm), l= lengte van de draad(m) en A= doorsnede van de draad(m²)

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8
Q

E= h•f

A

E= energie van een foton(J), h= constante van planck en f= de frequentie(Hz)

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9
Q

v= ƛ • f

A

v= snelheid(m/s), ƛ= golflengte(m) en f= frequentie (Hz)

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