REȚELE ELECTRICE

Quiz
•
Physics
•
8th Grade
•
Hard

MARIA KAMEL
Used 2+ times
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9 questions
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1.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
1. Un circuit electric cu mai multe ramificații se numește
rețea electrică
circuit electric simplu
asamblare
2.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
2. Nodul de rețea, ramura, ochiul de rețea sunt
echipamente
elemente ale rețelei electrice
elemnte de circuit
3.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Fizicianul care a enunțat legile pentru rețelele electrice se numește
Ohm
Kirchhoff
Volta
4.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Care din expresile de mai jos reprezintă prima lege a lui Kirchhoff
∑Iintră = ∑Iies dintrun nod
∑Iintră ≠ ∑Iies dintrun nod
∑Iintră ≈ ∑Iies dintrun nod
5.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Pentru a scrie a doua lege a lui Kirchhoff este nevoie să alegem un sens al curentului prin ochiul de rețea
spre stânga
spre dreapta
aleatoriu
6.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Câte ochiuri sunt în rețea din figură?
3
2
4
7.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Câte noduri sunt în rețea din figură?
3
2
4
8.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Știind că a, b, c, d = 2A și e = 5A ce valoare are f?
3
2
4
9.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Care din expresii exprimă corect legea a II-a lui Kirchhoff
-E1+E2 = I1R1+Ir-I2r2-I3R3+I4R4
E1+E2 = I1R1+Ir-I2r2-I3R3+I4R4
-E1+E2 = I1R1+Ir-I2r2+I3R3+I4R4
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