Ответ:
4. Ro=10/2+2.5+1.5= 9 Ом, I=4.5/9=0.5A
6. R0=40+10+0.1=50.1 Ом, I=2/50.1= ≈0.04 A
7. EI=I²r+Pвнешней, 2*I=I²*1+0.75,
I1,2= [2±√(4-3)]/2=1.5; 0.5 A
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Ответ:
4. Ro=10/2+2.5+1.5= 9 Ом, I=4.5/9=0.5A
6. R0=40+10+0.1=50.1 Ом, I=2/50.1= ≈0.04 A
7. EI=I²r+Pвнешней, 2*I=I²*1+0.75,
I1,2= [2±√(4-3)]/2=1.5; 0.5 A