For example, often lawnmowers have two switches in series with each other so that both switches need to be pressed before the mower will turn on. The power ring circuit is also a parallel circuit ...

In National 4 Physics examine the current and voltage in series and parallel circuits to formulate rules and determine unknown values.

About Those Series and Parallel Circuits Resistors, capacitors and inductors are easy once you understand the basics ...

This article discusses Loudspeaker Impedance and the load an amplifier sees if you wire speakers in series or parallel. We discuss the math and expected SPL differences as well as pros/cons of each.