Ea-3 Faraday's Rotating Wire
Published: Tuesday 14 March 2006 - Updated: Tuesday 29 March 2011
Aim
To demonstrate the force on a current carrying conductor in a magnetic field by way of Faraday's original rotating wire experiment.
Apparatus
- Faraday's wire apparatus
- Mercury
- D.C. PowerPak
- Rheostat
Diagrams
Click on pictures to enlarge.
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Faradays Rotating Wire Diagram 1 |
Faradays Rotating Wire Diagram 2 |
Videos
Faraday's Rotating Wire (1) |
Faraday's Rotating Wire (2) |
Description
The apparatus is connected as shown in the diagram. Mercury is poured into the plastic cup at the base, and the D.C. supply set to 12 Volts. The rheostat is then adjusted to the maximum resistance and reduced until rotation of the wire follows.