Primary Secondary Coil Set Demonstration Electromagnetic Induction Physics Experiment Instrument

MAINLY COMPOSED -- This product is mainly composed of 3 parts: primary coil, secondary coil and soft iron MAINLY APPLICATIONS -- Mainly used in middle school physics to demonstrate electromagnetic induction and verify Lenz's law TEACHING EQUIPMENT -- Sensitive enough, it is an indispensable experimental equipment and teaching instrument METAL MATERIALS MADE -- Made of selected high‑quality metal materials, sturdy and durable, wear‑resistant PHYSICAL EXPERIMENTAL -- Physical electromagnetic induction coil kit, stable performance and easy to use