A battery with E = 12.0 V and internal resistance r = 1.7Ω is connected to two 7.0-kΩ resistors in series. An ammeter of internal resistance 0.50Ω measures the current, and at the same t
a) 1.06 A
b) 0.92 A
c) 0.78 A
d) 0.64 A