The Figure Shows a Circuit $\varOmega$ R₂ = R₃ = 2 $\varOmega$

Multiple Choice

The figure shows a circuit. The switch S can be closed on either point A or C, but not both at the same time. Use the following quantities:
V₁ = V₂ = 12 V
R₁ = R₄ = 1.0 $\varOmega$
R₂ = R₃ = 2.0 $\varOmega$
-What is the equivalent resistance between the points A and B?

A) 1 $\varOmega$
B) 2 $\varOmega$
C) 3 $\varOmega$
D) 4 $\varOmega$
E) 5 $\varOmega$