
LEGEA LUI OHM
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Physics
8th Grade

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6 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La bornele unui conductor cu rezistența de 360 Ω se aplică o tensiune de 24 V. Ce valoare are intensitatea curentului care îl străbate?
0,6 A
0,06 A
15 A
0,15A
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Conform legii lui Ohm, daca I crește:
U crește
U scade
U rămâne constant
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Conform legii lui Ohm pentru o porțiune de circuit, intensitatea curentului electric este direct proporțională cu:
rezistența electrică
tensiunea electrică
puterea electrică
energia electrică
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unitatea de măsură a rezistenței electrice este:
watt
amper
volt
ohm
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tensiunea electrică se măsoară în:
watt
amper
volt
ohm
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Spirala unui reșou cu rezistența de 150 Ω este parcursă de un curent cu intensitatea de 2 A. Căt este tensiunea aplicată reșoului?
0,01 V
75 V
300 V
niciun răspuns corect
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