If ε ₁ = 4

question 11

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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