Determine the time constant of the circuit

Reference no: EM13317345

A capacitor is charged to a potential of 12.0 V and is then connected to a voltmeter having an internal resistance of 3.50M%u03A9 . After a time of 3.90s the voltmeter reads 3.0V .

A) What is the capacitance?

B) What is the time constant of the circuit?

Reference no: EM13317345

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