See how the land and water are connected, and investigate electrical circuits.

Save 78% on this seven-course online learning bundle covering electrical circuits and systems.

According to Johnson, "Using Schematics To Troubleshoot HVAC/R Electrical Circuits, Part 1" came about because of feedback from the industry. "It’s shorter than our fundamentals training videos, and ...

Play dough circuits 2: experiment with electricity Last time, we went through the basics of how to make simple electrical circuits with play dough and light-emitting diodes, now it's time to ...

The arc-fault circuit interrupter (AFCI) helps prevent an arcing fault from becoming a fire. Unlike the ground-fault circuit interrupter (GFCI), the AFCI doesn’t provide personnel protection from ...

Different models, such as water flowing in a central heating system, can be used to understand electrical circuits. Find out more with BBC Bitesize. For students between the ages of 11 and 14.

Watch this video to learn more about what an electrical circuit is and how it works. Electrical energy flows around circuits which are loops made of metal wires. In this game, touching the wire ...