Are the standard strand of Christmas lights connected in series or parallel? ... you can give a person one wire, one battery and one light ... there is no longer a current. Here is the new diagram.

The current flowing in a series circuit is the same everywhere. Figure caption, A series circuit with two bulbs and one cell. The ammeter will read the same at points 1, 2 or 3. In series circuits ...

In circuits connected in parallel, the components are connected on different branches. Find out more with BBC Bitesize. For students between the ages of 11 and 14.