Odpowiedzi

2010-03-15T19:34:40+01:00
R =R1+R2=300+400=700 om szeregowo

1/R=1/R1 + 1/R2

1/R = 1/300 + 1/400
1/R = (400+300)/(400*300)
1/R=700/120000
R=120000/700 = 171,42 Oma