Odpowiedzi

2009-11-21T21:36:36+01:00
1/R=1/R1+1/R2+1/R3
1/R=1/2+1/4+1/5
1/R=10/20+5/20+4/20
1/R=19/20
R=20/19 oma
1 5 1
2009-11-21T22:00:37+01:00
R_1=2
R_2=4
R_3=5

1/R_c = 1/R_1 + 1/R_2 + 1/R_3
1/R_c = 1/2 + 1/4 + 1/5
1/R_c = 10/20 + 5/20 + 4/20
1/R_c = 19/20
R_c = 20/19 = 1 1/19
2 4 2