Electric Motor Open Model Compound Microscopes Comprehensive Kit: Comes with a

Comprehensive Kit: Comes with a counterpoise weight and a supply of suitable wires

with good contact performance and good electrical conductivity

5" for option 1

White and Yellow

0 to 60 Degree C

Electric Motor Open Model Compound Microscopes Comprehensive Kit: Comes with aElectric Motor Open Model It can demonstrate the structure and principle of DC generator and AC generator. Th specific principle is the closed principal iron ring. The inner side is equipped with a pair of electromagnets. The coils of the two electromagnets are connected in series, and the binding posts are mounted on iron ring. Via operation, you kids know how motor works, cultivate children's curiosity about science, and regard science as a child's