A capacitor is charged to a potential of 12.0 V and is then connected to a voltmeter having an internal resistance of 3.80 M2. After a time of 4.00 s, the voltmeter reads 2.0 V. What is the capacitance of the circuit? Express your answer with the appropriate units. C= Value Submit μA ▾ Part B Request Answer What is the time constant of the circuit? Express your answer with the appropriate units. μÅ Units Value Units ? ?

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter21: Current And Direct Current Circuits
Section: Chapter Questions
Problem 59P: The circuit in Figure P21.59 has been connected for a long time. (a) What is the potential...
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A capacitor is charged to a potential of 12.0 V and is then
connected to a voltmeter having an internal resistance of
3.80 Mn. After a time of 4.00 s, the voltmeter reads 2.0 V.
Part A
What is the capacitance of the circuit?
Express your answer with the appropriate units.
C =
Submit
Part B
T =
μᾶ
Value
Submit
Request Answer
What is the time constant of the circuit?
Express your answer with the appropriate units.
μÅ
Value
Units
Request Answer
Units
?
?
Transcribed Image Text:A capacitor is charged to a potential of 12.0 V and is then connected to a voltmeter having an internal resistance of 3.80 Mn. After a time of 4.00 s, the voltmeter reads 2.0 V. Part A What is the capacitance of the circuit? Express your answer with the appropriate units. C = Submit Part B T = μᾶ Value Submit Request Answer What is the time constant of the circuit? Express your answer with the appropriate units. μÅ Value Units Request Answer Units ? ?
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