17. Two batteries and three resistors are connected as shown in the diagram. Find the magnitude and direction of the current through each resistor. 12 V HH V 6.0 V Ri R 3.0 6.0 Rs 5.02 ww 18. The diagram shows a circuit. Each battery in the circuit has an internal resistance. 8.02 2.00 Ea 12 V m=1.00 E3-24 V rs-3.0 8118 V ri-2.0 102 www 6.00 a) Find the potential difference between points a and b in the circuit. State which point is at the higher potential. b) If points a and b are connected by a 4.0-2 resistor, find the magnitude and direction of the current through this resistor.