Magnetic Fields and Forces

OHP Magnetic Lines of Force

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Bar magnet and/or various current-carrying wire configurations; sprinkled iron filings reveal the lines of force.
[In-Depth Description]

Dipole in a Magnetic Field

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A suspended current-loop dipole experiences torques in a magnetic field provided by Helmholtz coils.

Magnetic Field of a Solenoid

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A large compass is used to map out the field of a giant solenoid.

Magnetic Field of Current Loop

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A large compass is used to map out the field of a giant copper loop.

Oersted's Experiment

[L | t+ | ★★★]
Five large compasses, placed around a vertical copper pipe, indicate the magnetic field when the current is turned on.
[In-Depth Description]

Contact Us

Mailing Address: Lecture Demonstration Services, Science Center, Rm B-08A, 1 Oxford Street, Cambridge, MA 02138
Campus Location: Science Center B-08A | Tel: (617) 495-5824 | Email: scidemos-at-fas.harvard.edu