An ideal battery initially supplies current to a single resistor R1. A second identical resistor R2 is suddenly connected in parallel with R1. Which statement best describes the immediate effect of this change?
a) The current provided by the battery increases, and the current through R1 decreases.
b) The current provided by the battery decreases, while the current through R1 remains the same.
c) The current provided by the battery increases, while the current through R1 remains the same.
d) The current provided by the battery is unchanged, but the current through R1 decreases.