{{fa>pencil?32}} {{elektrotechnik_1:schaltung_klws2020_2_2_3.jpg?400}} Given is the adjoining circuit with \\ $R_1=5 ~\Omega$\\ $R_2=20 ~\Omega$\\ $R_3=10 ~\Omega$\\ 1. determine the equivalent resistance $R_{\rm eq}$ between A and B by summing the resistances. 2. now let the voltage from A to B be: $U_{\rm AB}=U_0= 30 ~\rm V$. What is the current $I$?