In this experiment, faculty who study has made two piece device fabrication is a device that uses a magnetic coil is เป็รางรถไฟ solenoid and the magnetic train to use aaa size battery 1. Chunk
In this experimental study, the devices have been fabricated by two pieces of equipment that is used as the magnetic tracks. Solenoid coils side. And the magnetic train to use a battery pack aaa 1.
In this experiment, the study of the invention of up 2 pieces is a device used as a magnetic light rail is a solenoid coil and magnetic train will use batteries size AAA 1 cubes.