2. A 15-MΩ resistor and a 48-nF capacitor get connected in series to a 15-V battery....

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Physics

2. A 15-MΩ resistor and a 48-nF capacitor get connected inseries to a 15-V battery. a. How long will it be until thecapacitor is “fully” charged? b. If the battery is thendisconnected from the circuit, how long will it be until thecapacitor’s voltage is 9.0 V? What is the charge of the capacitorat that moment? c. If we’d like the capacitor’s voltage in thiscircuit to decrease from 15-V to 9.0-V in 1.5 seconds after thebattery gets disconnected, how should the capacitance of thecapacitor change (increase or decrease, and by how much)?

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