You are given four A batteries that are rated at 1.5 V each. The batteries are grouped in pairs. In arrangement A, the two batteries in each pair are in series, and then the pairs are connected in parallel. In arrangement B, the two batteries in each pair are in parallel, and then the pairs are connected in series.
(a) Compared with arrangement B, will arrangement A have (1) a higher, (2) the same, or (3) a lower total voltage?
(b) What are the total voltages for each arrangement?