A bicycle battery is wired in parallel with its lamp and bell. The circuit contains two switches, $S_1$ and $S_2$. The cyclist shuts $S_1$ so that the lamp comes on. She then also shuts $S_2$ so that the bell rings. What change occurs in the current from the battery and in the power output of the battery when the cyclist shuts $S_2$?
- Acurrent in the battery increases; power output from the battery increases
- Bcurrent in the battery increases; power output from the battery stays the same
- Ccurrent in the battery stays the same; power output from the battery increases
- Dcurrent in the battery stays the same; power output from the battery stays the same