Hi, here's my question. 26.39:  A capacitor is charged to a potential of 12.0 V and is then connected to a voltmeter with an internal resistance of 3.40 MW.  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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Combination of Capacitors

The connection of capacitors can be established in a circuit in two ways.