If ε ₁ = 4

question 31

Multiple Choice

If ε ₁ = 4.0 V,ε ₂ = 12.0 V,R₁ = 4 Ω,R₂ = 12 Ω,C = 3 μF,Q = 18 μC,and I = 2.5 A,what is the potential difference V_a − V_b?

• A)−30 V
• B)30 V
• C)5.0 V
• D)−5.0 V
• E)−1.0 V

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