Fysica - Formules etc

Question 1

Druk van vaste stof

Answer 1

p = F / A

in Pa

Question 2

Wet van Pascal

Answer 2

F1 / A1 = F2 / A2

Kracht in Newton
Opp in m2

Question 3

hydrostatische druk

Answer 3

p(hydro) = ρ . g . h

in Pa

Question 4

hydrostatische kracht

Answer 4

F = ρ . g . h . A

in Newton

Question 5

Archimedeskracht

Answer 5

F(A) = ρ(vl) . g . V(ond)

in Newton

Question 6

Wet van Regnault

Answer 6

• isochoor
• p1 / T1 = p2 / T2

p in Pa
T in K

Question 7

Wet van Boyle-Mariotte

Answer 7

• isotherm
• p1 . V1 = p2 . V2

p in Pa
V in m3

Question 8

Wet van Gay-Lussac

Answer 8

• isobaar
• V1 / T1 = V2 / T2

V in m3
T in K

Question 9

Algemene gaswet

Answer 9

p1 . V1 / T1 = p2 . V2 / T2

p in Pa
V in m3
T in K

Question 10

Merkbare warmte

Answer 10

Q = c . m . ΔT
Q = c . ΔT

Q in joule
c in J/kg.K
C in J/K
m in kg
ΔT in K

Question 11

Latente warmte

Answer 11

Q = L . m

Q in J
m in kg
L in J/kg

Question 12

Elektrische spanning

Answer 12

U = ΔE / q

U in Volt
ΔE in J
q (elektrische lading) in Coulomb

Question 13

Elektrische stroom / stroomsterkte

Answer 13

I = Δq / Δt

I in Ampère (A) (stroomsterkte)
Δt in seconde (s)
Δq in Coulomb (C)

Question 14

Elektrische geleidbaarheid

Answer 14

G = I / U

G in Siemens (S)
I in Ampère (A) (stroomsterkte)
U in volt (V) (spanning)

Question 15

Elektrische weerstand

Answer 15

R = U/I

R in ohm (omega teken)
U in volt (spanning)
I in Ampère (stroomsterkte)

Question 16

Thermische energie (joule-effect)

Answer 16

Q = R . I² . Δt

Q in joule
R in ohm (weerstand)
I in A (stroomsterkte)

Question 17

Elektrisch vermogen

Answer 17

P = U . I

P in watt (W)
U in V (spanning)
I in A (stroomsterkte)

Question 18

Elektrisch verbruik

Answer 18

ΔE = P . Δt

ΔE in wattseconde (Ws) of J
P in W (vermogen)