P (moshnost) = U*I = U^2/R = 120*120/240 = 60 Bt
I = U/R = 120/240= 0.5 A
Q= I^2*R*t= 0.25А* А*240Ом*8*3600с= 1728000 Дж
P (moshnost) = U*I = U^2/R = 120*120/240 = 60 Bt
I = U/R = 120/240= 0.5 A
Q= I^2*R*t= 0.25А* А*240Ом*8*3600с= 1728000 Дж