The Figure Shows a Circuit

question 20

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 W
R₂ = R₃ = 2.0 W

-What is the equivalent resistance between the points A and B?

• A)1
• B)2
• C)3
• D)4