X1011287734-00163-38674</DOCNO>ELECTRICITY Part 3: Series and parallel circuits--batteries CONCEPTS: electricity, circuits BACKGROUND: The effect of linking two batteries depends on whether they are connected end-to-end (series) or side-by-side (parallel).
(The effect of linking two batteries; depends; on whether they are connected end-to-end (series) or side-by-side (parallel) (they; are connected; )
The effect of linking two batteries they
depends are connected
on whether they are connected end-to-end (series) or side-by-side (parallel