http://en.wikipedia.org/wiki/Series_and_parallel_circuits

Series and parallel circuits 串聯和並聯電路
A series /sɪəri:z/ circuit 串聯電路
A parallel circuit 並聯電路

Components connected in series 串聯的元件

We can connect the 2 resistors in series. 我們可以把那兩個電阻串聯。

You should connect the 2 capacitors in parallel. 你應該把那兩個電容並聯起來。
Are the 2 inductors connected in series or parallel? 那兩個電感是串聯的還是並聯的？

兩個最基本的名詞：
series connection 串聯
parallel connection 並聯
這是物理書上標的，貌似物理書上只寫了這個，沒寫出他們的動詞用法

Why do you like these components to be connected in parallel?

示例動詞用法：
Why do you connect the capacitors in series?
It's no use doing that.
The resistors are in series.
They aren't in parallel.
Why do you like these components connected in parallel?

我們說這兩個燈泡是並聯的。
We say the 2 light bulbs are connected in parallel.