The given pair of capacitors in Figure P18.65 are fully charged by a 12.0-V battery. The battery is disconnected and the circuit closed. After 1.00 ms, how much charge remains on (a) the 3.00-μF capacitor? (b) The 2.00-μF capacitor? (c) What is the current in the resistor?FIGURE P18.65
The given pair of capacitors in Figure P18.65 are fully charged by a 12.0-V battery. The battery is disconnected and the circuit closed. After 1.00 ms, how much charge remains on (a) the 3.00-μF capacitor? (b) The 2.00-μF capacitor? (c) What is the current in the resistor?FIGURE P18.65
Physics for Scientists and Engineers, Technology Update (No access codes included)
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Chapter28: Direct-current Circuits
Section: Chapter Questions
Problem 28.63AP: The- pair of capacitors in Figure P28.63 are fully charged by a 12.0-V battery. The battery is...
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The given pair of capacitors in Figure P18.65 are fully charged by a 12.0-V battery. The battery is disconnected and the circuit closed. After 1.00 ms, how much charge remains on (a) the 3.00-μF capacitor? (b) The 2.00-μF capacitor? (c) What is the current in the resistor?
FIGURE P18.65
Expert Solution
Answer for part (a)
Since the capacitors are connected in parallel, the equivalent capacitance here is
The time constant can be obtained as
Answer for part (a) continues
The charge stored in the 3μF capacitor is
The charge that remains in the 3μF capacitor can be obtained as
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