Three 70.0-W, 130-V lightbulbs are connected across a ΔV = 130-V power source, as shown in the figure below. Find the total power delivered to the three bulbs and the potential difference across __________
a) 70 W, 130 V
b) 140 W, 130 V
c) 210 W, 130 V
d) 210 W, 390 V