
Střídavý proud
Quiz
•
Physics
•
University
•
Easy
Jana Netrvalova
Used 2+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co je to střídavý proud?
Typ elektrického proudu, který mění svůj směr a velikost
Typ elektrického proudu, který teče jedním směrem a nemění svou velikost.
Typ elektrického proudu, který je vždy konstantní.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je zdroj střídavého napětí?
Generátor
Baterie
Solární panel
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jak se nazývá odpor obvodu?
Rezistance
Indukčnost
Kapacitance
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaká je jednotka indukčnosti?
Ohm
Henry
Farad
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je vzorec pro indukční reaktanci neboli Induktaci ?
XL = 2πfL
XL = ωL
Obě výše uvedené
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je vzorec pro kapacitní reaktanci neboli Kapacitanci?
XC = 1/(2πfC)
XC = 1/(ωC)
Obě výše uvedené
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je vzorec pro činný výkon?
P = UI
P = UmIm^2
P = UIcosφ
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