A capacitor is charged to a potential of 12.0 V and then connected to a voltmeter having an internal resistance of 3.40 MO. 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 MO. 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?
Chapter10: Direct-current Circuits
Section: Chapter Questions
Problem 51P: The duration of a photographic flash is related to an RC time constant, which is 0.100F for 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 MO. 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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