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The following circuit is used to retain the memory of a phone when the battery is changed. Position one is the normal charging circle and position two is meant to reset the memory by discharging the capacitor. The circuit below, the capacitor is initially uncharged. The switch is switched to position 1 for 10 seconds and then switched to position 2 for 5 seconds and then again to position 1 for 5 seconds, calculate a) The time constant for both positions charge and discharge the capacitor fully. b) Draw rises and decay of the voltage across the capacitor and estimate the time required to RI = 10 k2 100uF R; =5k2

The following circuit is used to retain the memory of a phone when the battery is changed. Position one is the normal charging circle and position two is meant to reset the memory by discharging the capacitor. The circuit below, the capacitor is initially uncharged. The switch is switched to position 1 for 10 seconds and then switched to position 2 for 5 seconds and then again to position 1 for 5 seconds, calculate a) The time constant for both positions charge and discharge the capacitor fully. b) Draw rises and decay of the voltage across the capacitor and estimate the time required to RI = 10 k2 100uF R; =5k2

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Hi

Just need some clarity with question "b", with estimation of time required for charge and discharge phases.  Thanks greatly.

The following circuit is used to retain the memory of a phone when the battery is changed. Position one is the normal charging circle and position two is meant to reset the memory by discharging the capacitor. The circuit below, the capacitor is initially uncharged. The switch is switched to position 1 for 10 seconds and then switched to position 2 for 5 seconds and then again to position 1 for 5 seconds, calculate a) The time constant for both positions charge and discharge the capacitor fully. b) Draw rises and decay of the voltage across the capacitor and estimate the time required to RI = 10 k2 100uF R; =5k2
Transcribed Image Text:The following circuit is used to retain the memory of a phone when the battery is changed. Position one is the normal charging circle and position two is meant to reset the memory by discharging the capacitor. The circuit below, the capacitor is initially uncharged. The switch is switched to position 1 for 10 seconds and then switched to position 2 for 5 seconds and then again to position 1 for 5 seconds, calculate a) The time constant for both positions charge and discharge the capacitor fully. b) Draw rises and decay of the voltage across the capacitor and estimate the time required to RI = 10 k2 100uF R; =5k2
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