Curentul electric se poate defini ca mişcarea ordonată a:

Test Rezistoare

Quiz
•
Instructional Technology
•
9th Grade
•
Hard
VIOREL VINTILĂ
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
purtătorilor de sarcină
golurilor
sarcinilor pozitive
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Energia primita de rezistor în unitatea de timp se numeţte în termeni tehnici:
curent electric
putere la borne
energie electrică
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Conform legii lui Ohm tensiunea electrică aplicată unui conductor este direct proporţională cu:
rezistenţa electrică
intensitatea curentului care-l străbate
sarcina electrică
rezistivitatea
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Rezistivitatea este o constantă de material iar unitatea de măsură este:
Ω·mm2/m
Ω·m2/m
Ω·mm2
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Pentru rezistoarele marcate in cinci culori banda cinci reprezintă:
6.
MULTIPLE CHOICE QUESTION
45 sec • Ungraded
Într-un montaj serie: Intensitatea absorbită de ansamblu este egală cu suma
intensităţilor absorbite de fiecare rezistor;
Adevărat
Fals
7.
MULTIPLE CHOICE QUESTION
45 sec • Ungraded
1. Prin divizor de tensiune se înţelege circuitul format din două rezistoare în paralel
plasat într-o latură a unui circuit cu scopul de a se obţine prin unul din elemente un curent mai mic decât curentul principal I .
Adevărat
Fals
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