Podstawowe pojęcia z zakresu elektrotechniki
Quiz
•
Computers
•
1st Grade
•
Practice Problem
•
Medium
Technik Informatyk
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11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Symbolem napięcia jest:
U
V
I
A
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jednostką napięcia jest:
V
A
C
W
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Natężenie prądu oznaczamy:
I
P
A
C
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jednostką natężenia prądu jest:
V
A
C
W
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rezystancja to:
Wielkość charakteryzująca relację między napięciem a natężeniem prądu elektrycznego, nazywana również jako opór elektryczny
Obliczamy ze wzoru P=U*I
Oznacza się symbolem "ƒ"
Jej jednostką jest farad (F)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Czerwona linia na wykresie przedstawia:
Przebieg prądu przemiennego
Napięcie
Przebieg prądu stałego
Rezystancję
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rezystancję liczymy ze wzoru:
P = U * I
C = Q / U
R = U / I
ƒ = 1 / T
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