Respostas

2013-12-17T16:34:04-02:00
R equivalente;

 \frac{1}{R}  \frac{1}{4}  \frac{1}{2}  \frac{1}{6}

 \frac{1}{R} =   \frac{6+3+2}{12}

 \frac{1}{R}  \frac{11}{12}

R=  \frac{12}{11} Ohms
  • Usuário do Brainly
2013-12-18T00:09:48-02:00
A resistência equivalente será:
dados: 3 resistores (4, 2, 6) ohm.

sabendo que:

1/Rp = 1/R2 + 1/R3 + 1/R4

1/Rp = 1/4 + 1/2 + 1/6
mmc de (4, 2, 6) =

1/Rp = 3/12 + 6/12 + 2/12
1/Rp = 11/12
11*Rp = 12*1
11Rp = 12
Rp = 12/11