Question: A 4.00-M' resistor and a 3.00-)F capacitor are connected in series with a 12.0-V power supply. (a) What is the time constant for the circuit?

A 4.00-M' resistor and a 3.00-)F capacitor are connected in series with a 12.0-V power supply.
(a) What is the time constant for the circuit?
(b) Express the current in the circuit and the charge on the capacitor as functions of time.

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