\(R_1\)=10Ω
\(R_2\)= 20Ω
\(R_3\)=20 Ω
\(I_1\)= 1 A
____________
\(R_{td}\) =? Ω
\(\text{I}_2\)= ? A
\(I_3\)= ? A
\(P_1\)= ? W
\(P_2\)= ? W
\(P_{AB}\)= ? W
a) \(R_1\)nt( \(R_2\)//\(_{R_3}\))
b)\(R_1\)//(\(R_2\)nt \(R_3\))
c)(\(R_1\)nt \(R_2\))//\(R_3\)