Rezistenţa electrică se defineşte prin relaţia:

test clasa X

Quiz
•
Physics
•
10th Grade
•
Hard

lungu mihaela
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
R= UI
R = U / I
R = I / U
nici una din variante
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un consumator electric are rezistenţa de 110 , iar tensiunea la borne 220V. Ce intensitate are curentul care trece prin consumator?
I =2A
I = 0,5 A
I = 2,2 A
I = 5 A
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Purtătorii liberi de sarcină electrică în conductoarele metalice sunt:
ionii
electronii şi ionii negativi
electronii
. electronii şi ionii pozitivi
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Voltmetrul se montează într-un circuit astfel:
în serie
în paralel
în serie sau în paralel
şi în serie şi în paralel
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Intensitatea curentului electric se măsoară în SI în:
amperi
volţi
ohmi
miliamperi
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