Basic Plotting Compass, 16mm, Glass Face, Aluminum Case, Diameter: 0.6 In. (1.3Cm), One Individual Unit, Provide A Simple, Teachable Way To Demonstrate Magnetic Fields In Class. Simple Use And Easy Readability Make It Straight-Forward For Students To Map Magnetic Fields
Current balance, classic method for demonstrating and measuring the small force experienced by a conductor carrying an electric current in a magnetic field, One half of the balance is placed inside a solenoid, other half has an adjustable counterweight