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Antwoorden oefenen berekenen
Antwoorden oefenen berekenen
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Slide 1:
Slide
Nask
Middelbare school
havo
Leerjaar 2
This lesson contains
10 slides
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text slides
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Lesson duration is:
45 min
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Items in this lesson
Antwoorden oefenen berekenen
Slide 1 - Slide
Te onthouden:
Slide 2 - Slide
oefenen a
P = 4 W t = 3 min en 24 s = 204 s
Energie in Ws
E = P x t
E = 4 x 204
E = 4 x 204 = 816
E = 4 x 204 = 816 W
Slide 3 - Slide
oefenen b
P = 270 W = 0,27 kW t = 18,31 h
Energie in kWh
E = P x t
E = 0,27 x 18,31
E = 0,27 x 18,31 = 4,94
E = 0,27 x 18,31 = 4,94 kWh
Slide 4 - Slide
oefenen b
P = 270 W = 0,27 kW t = 18,31 h
Energie in kWh
E = P x t
E = 0,27 x 18,31
E = 0,27 x 18,31 = 4,94
E = 0,27 x 18,31 = 4,94 kWh
Energiekosten = aantal kWh x prijs van één kWh (0,22 euro)
Energiekosten = 4,94 x 0,22 = 1,09 euro
Slide 5 - Slide
oefenen c
E = 0,07 kWh t = 138,6 min = 2,31 h
Vermogen in W
P = E : t
P = 0,07 : 2,31
P = 0,07 : 2,31 = 0,03
P = 0,07 : 2,31 = 0,03 kW = 30 W
Slide 6 - Slide
oefenen d
E = 0,76 kWh t = 453 min = 7,55 h
Vermogen in W
P = E : t
P = 0,76 : 7,55
P = 0,76 : 7,55 = 0,101
P = 0,76 : 7,55 = 0,101 kW = 101 W
Slide 7 - Slide
oefenen e
E = 2,01 kWh P = 170 W = 0,170 kW
tijd in minuten
t = E : P
t = 2,01 : 0,170
t = 2,01 : 0,170 = 11,8
t = 2,01 : 0,170 = 11,8 h = 708 min
Slide 8 - Slide
oefenen f
E = 1,48 kWh t = 9,23 h
Vermogen in W
P = E : t
P = 1,48 : 9,23
P = 1,48 : 9,23 = 0,160
P = 1,48 : 9,23 = 0,160 kW = 160 W
Slide 9 - Slide
Toets
- H5 en H6 (p. 4 alleen de begrippen
overbelasting en kortsluiting
)
- Telt 5x mee
- 3 manieren van warmtetransport
- Verbrandingsdriehoek
- Reactieschema maken
- Een schakeling tekenen (serie of parallel)
- Volt en Ampere berekenen in een schakelschema
- Ampere meter en voltmeter aflezen
- Eén vermogen berekening + energiekosten
Slide 10 - Slide
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