Răspuns :
V+R= 35 => V= 35-R
4V+2R = 100
4*(35-R)+2R = 100
140-4R+2R = 100
40 = 2R
R=20
V= 35-20=15
4V+2R = 100
4*(35-R)+2R = 100
140-4R+2R = 100
40 = 2R
R=20
V= 35-20=15
V-vaci
R-rate
V+r= 35
V= 35-R
4V+2R = 100
4*(35-R)+2R = 100
140-4R+2R = 100
40 = 2R
R=20
V= 35-20=15