
kartkówka praca prądu
Authored by Agnieszka Wójcik
Physics
Used 7+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Jaką moc posiada urządzenie elektryczne, przez które przepływa prąd o natężeniu 0,5A, a napięcie wynosi 20V?
5 V
10 V
15 V
20 V
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Jakim wzorem obliczamy pracę prądu
W=I*U*t
P=W*t
P=U*I
P=U*I*t
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
kWh to jednostka...
energii
pracy
mocy
ciepła
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Jaka jest jednostka pracy prądu elektrycznego?
A
kWh
P
V
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
10kWh to:
3,6MJ
36MJ
3,6J
36J
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Ela prasuje ubrania żelazkiem o mocy 2500 W przez 2 godziny miesięcznie. Jaką pracę wykonuje prąd elektryczny zasilający żelazko? Wybierz prawidłowe odpowiedzi.
18 W
20000 J
18 MJ
25 MJ
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Przez rozrusznik samochodowy zasilany napięciem 15V przez 2 s płynął prąd o natężeniu 1 A. Praca prądu elektrycznego tego rozrusznika wynosi...
25 J
29 J
30 J
35 J
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