If R = 20 KΩ,C = 4

question 79

Multiple Choice

If R = 2.0 kΩ,C = 4.0 mF,ε = 8.0 V,Q = 20 mC,and I = 3.0 mA,what is the potential difference V_b − V_a?

• A)+7.0 V
• B)+19 V
• C)+9.0 V
• D)−3.0 V
• E)−14 V

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