Electromagnet Current Tester Helical Coil Electric Bell Hook Set for Physics Experiment

Feature: 1. INCLUDED TOOLS: The kit includes helical coil, electromagnet coil, electric bell and electric hook, all tools are in plastic case for easy use and portability. 2. MAIN PURPOSE: Study the relationship between current and magnetic strength and the relationship between helical coil turns and magnetic strength. 3. TEACHING AID: Can be used in teaching experiments to help students understand electromagnetic knowledge, is a good auxiliary experimental instrument. 4. DURABLE MATERIAL: These tools are made of copper and steel to ensure good electrical conductivity, and not easy to corrode or wear for a long service life. 5. MULTIPLE USAGES: Learn basic electromagnetism and basic circuits, understand fundamental principles, and help students learn, think, and explore. Specification: Item Type: Electromagnet Test Set Material: ABS, Copper, Steel Use: Teaching experiment. Package List: 1 x Helical Coil1 x Electromagnet Coil1 x Electric Bell1 x Electric Hook1 x Plastic Box