
Circuit RLC in curent alternativ

Quiz
•
Physics
•
12th Grade
•
Hard
Pinkoczi Iosif
Used 3+ times
FREE Resource
22 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este rolul rezistorului intr-un circuit RLC in curent alternativ?
Absorbtia curentului alternativ
Controlul tensiunii in circuit
Generarea de camp magnetic
Limitarea curentului si disiparea puterii sub forma de caldura
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce se intampla cu impedanta unui condensator in functie de frecventa curentului alternativ?
Se transformă în rezistență
Rămâne constantă
Scade
Crește
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cum influenteaza bobina intensitatea curentului alternativ?
Bobina creste viteza curentului alternativ
Bobina reduce tensiunea curentului alternativ
Bobina elimina complet curentul alternativ
Bobina creeaza o rezistenta in calea curentului alternativ
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este diferenta intre tensiunea si curentul alternativ?
Tensiunea este exprimata in amperi, in timp ce curentul alternativ este exprimat in volti.
Tensiunea este fluxul de sarcina electrica, exprimata in volti, in timp ce curentul alternativ este diferenta de potential electric, exprimata in amperi.
Tensiunea este diferenta de potential electric, exprimata in volti, in timp ce curentul alternativ este fluxul de sarcina electrica care se deplaseaza printr-un circuit, exprimat in amperi.
Tensiunea este o masura a rezistentei unui circuit, in timp ce curentul alternativ este o masura a capacitantei.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce se intampla cu reactanta condensatorului cand frecventa curentului alternativ creste?
Devine negativ
Rămâne constant
Scade
Crește
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cum se calculeaza impedanta totala a unui circuit RLC?
Z = R / (Xl - Xc)
Z = R + Xl - Xc
Z = sqrt(R^2 + (Xl - Xc)^2)
Z = R^2 + Xl^2 + Xc^2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este formula de calcul a reactantei bobinei intr-un circuit RLC?
Xl = 2 * pi * f * (L + C)
Xl = 2 * pi * f * R
Xl = 2 * pi * f * C
Xl = 2 * pi * f * L
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