bantu jawab fisika ya yg pintar fisika

R2+R3=2+2=4 ohm => R2
R1=5 ohm
maka;
1/Rp=1/R1+1/R2
1/Rp=1/5+1/4
1/Rp=4/20+5/20
1/Rp=9/20
Rp=20/9
Rp=2,22 ohm
hambatan total => 2,22+R4=2,22+5=7,22 ohm