1) б
2) I = q/t
0.6 = q/4*60
q = 144
3)R = U1/I1 = 8/4 = 2 Om
I2 = U2/R = 6/2 = 3A
4)I = U/R
R = p*l/S
I = U/((p*l)/S)
2.25 = 45/(0.4*l / 1)
L = 0.5 м
5 хз
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Answers & Comments
1) б
2) I = q/t
0.6 = q/4*60
q = 144
3)R = U1/I1 = 8/4 = 2 Om
I2 = U2/R = 6/2 = 3A
4)I = U/R
R = p*l/S
I = U/((p*l)/S)
2.25 = 45/(0.4*l / 1)
L = 0.5 м
5 хз