Enable students to observe the magnetic field generated around current flowing in a wire with the Ampere’s Rule Apparatus. 
Using the apparatus, they can learn about the right-hand rule and characterize how magnetic fields vary with distance. 
Students can also study magnetic fields created by a current in planes perpendicular and parallel to a wire. 
Includes a manual, one 45-mm compass, and six 16-mm compasses. 
Size: 17.5 x 7.5 x 10 cm.Grades 9–12. 
Requires a regulated DC power supply and banana/alligator cords (not included).