An RC circuit has an unknown resistance and an initially uncharged capacitor of 631 x 10-6 F. When connected to a source potential, it takes the capacitor 27.6 s to become 80.1 % fully charged. What is the resistance of the circuit?

An RC circuit has an unknown resistance and an initially uncharged capacitor of 631 x 10-6 F. When connected to a source potential, it takes the capacitor 27.6 s to become 80.1 % fully charged. What is the resistance of the circuit?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter10: Direct-current Circuits

Section: Chapter Questions

Problem 86AP: A flashing lamp in a Christmas earring is based on an RC discharge of a capacitor through its...

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Question

An RC circuit has an unknown resistance and an initially uncharged capacitor of 631 x 10^-6 F. When connected to a source potential, it takes the capacitor 27.6 s to become 80.1 % fully charged. What is the resistance of the circuit? Enter a number rounded to the nearest 100 place.

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