Engineers connect components in electrical circuits in series or parallel to make a range of useful circuits. We can calculate the voltage, current and resistance in these circuits.

Series and parallel circuits - OCR 21st Century Electrical resistance Electrical current transfers energy around circuits. There are two different types of circuits – series and parallel.

IN practice, an electrician sometimes merely requires a circuit diagram of the apparatus or equipment with which he is working. He must therefore use symbols to denote electric bells, dynamos, etc ...

Coming from an IT background to an AM transmitter site might leave you with a world of questions. Mark Persons explains the basics.

Electrical engineers everywhere will be looking on with interest. This article appeared in the Technology Quarterly section of the print edition under the headline “Can parallel lines meet ...