An uncharged capacitor and a resistor are connected in series to a source of emf. If e m f = 9.00 V, C = 15.0 µF, and R = 100 ?, find the following:
(a) the time constant of the circuit
_____s
(b) the maximum charge on the capacitor
_____ µC
(c) the charge on the capacitor after one time constant
_____ µC