Answer:
a. Contains a resistor and a capacitor
Ans: RC circuit
b. One coulomb per volt
Ans: Farad
c. The constant of proportionality between charge and voltage
Ans: Capacitance
d. The characteristic time for a capacitor
Ans: Time constant
e. The insulator between two capacitor plates
Ans: Dielectric
f. The measure of the difficulty required to push charges through a device
Ans: Resistance