About this video
By pulsing the connection to the battery we can cause a compass to spin. How is this working?
Transcript
Salt water.
Video © Khan Academy, used under CC BY-NC-SA. Watch on Khan Academy. Puzzicle is not affiliated with Khan Academy.
By pulsing the connection to the battery we can cause a compass to spin. How is this working?
Salt water.
Video © Khan Academy, used under CC BY-NC-SA. Watch on Khan Academy. Puzzicle is not affiliated with Khan Academy.