A battery of EMF 2 volts and internal resistance 5 ohms is connected across a square of 9.5 ohms. How many electrons pass through the cross-sectional area?
a) 8.64 x 10¹⁹ electrons
b) 2.3 x 10¹⁹ electrons
c) 4.7 x 10²⁰ electrons
d) 1.6 x 10²⁰ electrons