
Legea lui OHM
Quiz
•
Instructional Technology
•
9th Grade
•
Practice Problem
•
Medium
CODRUTA CAPATINA
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este unitatea de măsură a intensității curentului?
1 ohm
1 amper
1 volt
1 watt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este valoarea rezistenței unui rezistor alimentat la o tensiune de 12 volt când este străbătut de un curent de 3 amperi?
1 ohm
3 ohm
4 ohm
12 ohm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rezistența rezistorului se măsoară în:
volt
amper
ohm
watt
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este valoarea tensiunii unei surse care alimentează un rezistor de 5 ohm și produce un curent de 2 amperi?
25 V
10V
0,4 V
2,5V
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Relația care face legătura între tensiune, intensitatea curentului și rezistență poartă denumirea de :
legea lui Faraday
legea lui Tesla
legea lui Ohm
legea lui Kirchhoff
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De ce tensiune avem nevoie pentru a produce un curent de 8 amperi atunci când în circuit avem o rezistență de 6 ohmi?
12 volti
24 volti
48 volti
1,33, volti
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pentru a cunoaşte rezistenţa interioarã a unui element cu o tensiune electromotoare de 2V, el s-a legat la un circuit exterior cu rezistenţa de 1Ω obţinându-se curent de 1,2A. Care este rezistența interioară a sursei (r) ?
1,2 ohm
0,66 ohm
2 ohm
10 ohm
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