You connect a battery, resistor, and a capacitor as in figure 1, where R= 15.0 ohms and C= 5.00x10^-6 F. The switch S is closed at t=0. When the current in the circuit has magnitude 3.00 A, the charge on the capacitor is 40.0x10^-6 C. (A) what is the emf of the battery? (B) at what time t after the switch is closed is the charge on the capacitor equal to 40.0x10^-6? (C) when the current has magnitude 3.00 A, at what rate is the energy being stored in the capacitor? (D) when the current has magnitude 3.00 A, at what rate is energy being supplied by the battery?

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter21: Current And Direct Current Circuits
Section: Chapter Questions
Problem 67P: The values of the components in a simple series RC circuit containing a switch (Fig. P21.53) are C =...
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You connect a battery, resistor, and a capacitor as in figure 1, where R= 15.0 ohms and C= 5.00x10^-6 F. The switch S is closed at t=0. When the current in the circuit has magnitude 3.00 A, the charge on the capacitor is 40.0x10^-6 C. (A) what is the emf of the battery? (B) at what time t after the switch is closed is the charge on the capacitor equal to 40.0x10^-6? (C) when the current has magnitude 3.00 A, at what rate is the energy being stored in the capacitor? (D) when the current has magnitude 3.00 A, at what rate is energy being supplied by the battery? 

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