Electricity and Magnetism

Georg Ohm’s father was a locksmith, a background that may have given his son practical experience that was useful to his...

Stories from Physics 11-14 14-16

Human skin acts like a memristor, a device that alters its resistance in response to the last potential difference applied...

Stories from Physics 11-14 14-16

High voltage power lines typically use disc insulators to prevent current entering the metal pylon. Counting the number of...

Stories from Physics 11-14 14-16

Typically, the resistance of a filament light bulb increases as the potential difference applied rises. While this is true for...

Stories from Physics 11-14 14-16

In the late 19th century, arc lights were a common form of lighting. The devices produce light from a spark (or electric arc)...

Stories from Physics 11-14 14-16