Question

me ajudem por favorrrr​

Answer 1

$\mathbf{Dados}\Longrightarrow U=24\ \text{V};\ i=240\ \text{mA}=24\times10^{-2}\ \text{A}.$

$\boxed{U=iR}\Longrightarrow 24=(24\times10^{-2})R\ \therefore\ \boxed{R=100\ \Omega}$