Add to order
PURPOSE: To demonstrate Oersted's law.
DESCRIPTION: The compass is positioned within the coil as shown in the photograph. When current is run through the coil the compass lines up along the axis of the coil in the direction of the magnetic field.
SUGGESTIONS: See Question of the Week #329 for information on using this demonstration to enhance class involvement.
REFERENCES: (PIRA unknown.)
EQUIPMENT: Coil, compass and battery with switching as shown.
SETUP TIME: Five minutes.
