Massachusetts Institute of Technology
Sign in | Create Account

Videos tagged with ampere (1)

MIT Physics Demo -- Galvanometer Principle

MIT Physics Demo -- Galvanometer Pr...

MIT Department of Physics Technical Services Group

Added 6 years ago | 00:00:47 | 48509 views

Two large coils of wire ("Helmoholz coils") are connected to 125V DC power, and produce a uniform magnetic field between the coils. A separate coil is suspended with this field. Switching the polarity of the DC current in the inner co...