A lightbulb with a resistance of 80 ohms is connected to a 9V battery. The electric current going through it is 0.1125 A. How many electrons leave the battery every hour?
a) 6.1875 x 10²1
b) 6.75 x 10²1
c) 7.875 x 10²1
d) 8.25 x 10²1