Electricity and Magnetism

Big Ideas: More info...

  •  An electric current is the flow of charged particles.
  •  Magnetism and electricity are linked phenomena.

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We have 31 misconceptions on this result

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Electrical Resistance
Electricity and Magnetism IOP RESOURCES

Ohm overlooked

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

Electrical Resistance
Electricity and Magnetism IOP RESOURCES

What can a resistor remember?

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

Electrical Resistance
Electricity and Magnetism IOP RESOURCES

Counting the discs

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

Electrical Resistance
Electricity and Magnetism IOP RESOURCES

Breaking bulbs

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

Electrical Resistance
Electricity and Magnetism IOP RESOURCES

Ayrton’s lightbulb moment

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

Electric Current
Electricity and Magnetism IOP RESOURCES

Electricity CPD videos

Electrical circuits are essential in everyday life, but students often find them challenging. In these videos, we look at ways...

CPD 11-14 14-16 16-19

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