Question: A RC circuit has three components in it: a 12 V battery, a 225 microFarad (225 µF) capacitor,and a 72 kiloOhm (72 k2) resistor.a) Find the time constant of the RC circuit.b) If the capacitor is being charged, what is the potential difference of the capacitor 22 secondsafter closing the circuit?c) Consider the capacitor is fully charged, such that it has the same potential difference as thebattery. How long will it take to discharge the capacitor to a point that the current in the circuitis 50% of the original current's value? (Note: the original current's value was the value ofcurrent when the circuit was first closed.)

We know that the value of the time constant is given as τ= RC…

the time constant of the RC circuit. e capacitor is being charged, what is the potential difference of the e closing the circuit? ider the capacitor is fully charged, such that it has the same potenti ery. How long will it take to discharge the capacitor to a point that t % of the original current's value? (Note: the original current's value ent when the circuit was first closed.)

the time constant of the RC circuit. e capacitor is being charged, what is the potential difference of the e closing the circuit? ider the capacitor is fully charged, such that it has the same potenti ery. How long will it take to discharge the capacitor to a point that t % of the original current's value? (Note: the original current's value ent when the circuit was first closed.)

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter10: Direct-current Circuits

Section: Chapter Questions

Problem 68AP: A circuit contains a D-cell battery, a switch, a 20- resistor, and three 20-mF capacitors. The...

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