Question

Answer 1

\(I=\dfrac{U}{R}=\dfrac{U}{R1+R2+R3}=\dfrac{12}{6+10+14}=0,4\left(A\right)\)

Answer 2

\(R_{tđ}=R_1+R_2+R_3=6+10+14=30\left(\Omega\right)\)

\(I=\dfrac{U}{R_{tđ}}=\dfrac{12}{30}=0,4\left(A\right)\)