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Samenvatting - Nask 1 vmbo

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Alles wat je moet weten voor je examen nask1 over elektriciteit staat beknopt in deze samenvatting. natuurlijk is het ook handig voor als je nog in de 3e van mavo zit.

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Secondary school
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Course
School year
4

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Uploaded on
May 8, 2024
Number of pages
3
Written in
2022/2023
Type
Summary

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Elektriciteit
~nask 1

grootheid symbool eenheid
stroomsterkte I A
spanning U V
vermogen P W, kW en J/s
weerstand R Ω
tijd t h en s
energie E kWh en J
windingen N -


W = J/s  :1000  kW
kWh x3 600 000  J
TJ x1000  GJ x1000  MJ x1000 KJ x1000  J
h x60  min  x60  s
P=U x I E=P x t R=U/I
η betekend rendement, eenheid altijd in %
η=(Paf / Pop) x100 Paf= nuttig afgeven Pop= totaal opgenomen
η=(Eaf / Eop) x100


Serieschakeling:

- Stroomsterkte overal hetzelfde
- Spanning word verdeeld
 Grootste weerstand=meeste spanning
Serie: It=I1=I2 Ut=U1+U2


Parallelschakeling:

- Spanning overal hetzelfde
- Stroomsterkte splitst
 Grootste weerstand=minste spanning
Parallel: It=I1+I2 Ut=U1=U2
Transformator= Np/Ns = Up/Us p= primaire s= secundaire
Allebei de verhoudingen zijn even veel. Dus als er links x3 is aan de andere kant
ook x3.
Ideale transformator= Ps=Pp
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