A 10 MΩ resistor is connected in series with a 1.0 mF capacitor and a battery with emf 12.0 V. Before the switch is closed at time t = 0, the capacitor is uncharged. (a) What is the time constant? (b) What fraction of the final charge Qf is on the capacitor at t = 46 s ? (c) What fraction of the initial current I0 is still flowing at t = 46 s ?

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Q: Part 2 What is VA – VB? VA – VB = i V Save for Later Attempts: 0 of 4 used Submit Answer

A: