Question

calcule o valor resistência equivalente 10,

Answer 1

$R_{eq} = 10 + (6//3//2) \\ \\ R_{eq} = 10 + \frac{1}{\frac{1}{6}+\frac{1}{3}+\frac{1}{2}} \\ \\ R_{eq} = 10 + \frac{1}{\frac{1+2+3}{6}} \\ \\ R_{eq} = 10 + \frac{1}{1} \\ \\ R_{eq} = 10 + 1 \\ \\ R_{eq} = 11 \ \Omega$