Răspunsuri

2014-03-28T22:56:38+02:00
E=Pt=36x1/60=3/5Wh
Spor la lucru in continuare!
Prof De Mate 
W=U*U/R
corectie! P=U*U/R R=U*U/P=12*12?36=4 Ohmi
W=P*t=36*60=2130 J Succes!