Find the time constant of the circuit

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Reference no: EM13241813

A capacitor is charged to a potential of 12.0 V and is then connected to a voltmeter having an internal resistance of 3.10M? . After a time of 3.90s the voltmeter reads 2.8V .

What is the capacitance?

What is the time constant of the circuit?

Reference no: EM13241813

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