School of Physics Lecture Demonstration Manual

Ea-9 Attraction and Repulsion Currents

Published: Thursday 25 November 2010 - Updated: Tuesday 29 March 2011

Aim

To demonstrate that currents will attract or repel depending whether they are parallel or anti-parallel.

Apparatus

Diagrams

Click on pictures to enlarge.

Parallel Currents Apparatus

Videos

Parallel/Anti-parallel Currents

Description

The apparatus is set-up as above. When the currents are running parallel the aluminium foil strips will be attracted to each other. When they are anti-parallel they will repel.

Safety notes

Electrical safety

Maintenance

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