The basic principles of electromagnetism
This article will provide a basic introduction to the principles of electromagnetism and electric motors. As the name suggests, electromagnetism is a branch of physics…
A review of electromagnetic induction
In this video, Gary Hayers of Tresham College takes a closer look at electromagnetism and the principles of generating AC. Student training aid to prove…
Generation and transmission of electricity
This article will briefly consider the different ways that electricity is generated and transmitted in the UK. Electricity is a convenient energy source because it…
Alternating Current & Direct Current
Mains electricity in the UK is an alternating current (AC) supply (230V). But what is AC and how does it differ to direct current (DC)?…