조회수
4:32
How to make an Electromagnet!
2:45
Solenoid with Soft Iron Core + Magnetic Needle
2:56
How does an Electromagnet Work?
1:21
How to Make an Electromagnet
9:49
5 Tips To Make A Good Electromagnet / How To Calculate Electromagnet Force?
1:21
Two Coils Linked By Soft Iron Core
2:15
How to Make an Electromagnet - Science Experiment
2:16
Soft Rotary Electromagnetic Motor
