Natuurkunde Formules H2, H4 Flashcards

1
Q

Up : us = np : ns

A

Up: primaire spanning
Us: secondaire spanning
Np: primaire windingen
Ns: secondaire windingen

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2
Q

P = U x I

A

P= vermogen in watt (W)
U= spanning in volt (V)
I= stroomsterkte in ampere (A)

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3
Q

E= P x t

A

E= energie in watt of KWH staat gelijk aan Q
P= vermogen in Joule of in KW
t= tijd in seconde of in uur

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4
Q

Q= c x m x deltaT

A

Q= warmte in Joule
c= soortelijke warmte
m= hoeveelheid stof
deltaT= gewenste temperatuurstijging

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5
Q

*c naar K en terug

A

*c naar K = +273
Van K naar *c = -273

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