Answer:
1.33ohms
Explanation: The formula for resistance in a parallel circuit is :
1/Rt = 1/R1+1/R2
Where Rt represents total resistance, R1 = 4ohms and R2 = 2ohms
1/Rt = 1/4+1/2
1/Rt = 1+2/4
1/Rt = 3/4
Rt = 4/3
Rt= 1.33ohms
Hence the total resistance is 1.33ohms
