An uncharged capacitor and a resistor are connected in series to a source of emf. If emf = 6.00 V, C = 21.0 µF, and R = 100 ?, find the following.
(a) the time constant of the circuit.
_______ms
(b) the maximum charge on the capacitor.
_______µC
(c) the charge on the capacitor at a time equal to one time constant after the battery is connected.
________µC