A capacitor is charged to a potential of 12.0 V and then connected to a voltmeter having an internal resistance of 3.40 MQ. After a time of 4.00 s the voltmeter reads 3.0 V. What are (a) the capacitance and (b) the time constant of the circuit?

A capacitor is charged to a potential of 12.0 V and then connected to a voltmeter having an internal resistance of 3.40 MQ. After a time of 4.00 s the voltmeter reads 3.0 V. What are (a) the capacitance and (b) the time constant of the circuit?

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter21: Resistive-capacitive Series Circuits

Section: Chapter Questions

Problem 7RQ: An RC series circuit is connected to a 120-V, 60-Hz power source. The resistor is 25 and has a...

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A capacitor is charged to a potential of 12.0 V and then connected to a voltmeter having an
internal resistance of 3.40 MQ. After a time of 4.00 s the voltmeter reads 3.0 V. What are
(a) the capacitance and (b) the time constant of the circuit?

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