5H10.30 - Magnetic Field Lines (Iron Filings) | ![5h1030magnetic_field_lines_around_a_magnet](https://websites.umass.edu/plecprep/files/2015/07/5h1030magnetic_field_lines_around_a_magnet-300x225.jpg) | This demo shows the magnetic field lines of a magnet on the overhead projector.
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5H15.10 - Iron Filings Around a Wire | ![5h1510iron_filings_around_a_wire_2](https://websites.umass.edu/plecprep/files/2015/07/5h1510iron_filings_around_a_wire_2-300x225.jpg) | Iron filings are sprinkled around a vertical wire running through plexiglass. The iron filings align themselves with the magnetic... |
5H15.40 - Iron Filings Around a Solenoid | ![5h1540iron_filings_around_a_solenoid](https://websites.umass.edu/plecprep/files/2015/07/5h1540iron_filings_around_a_solenoid-300x225.jpg) | A solenoid is wound through a peice of plexiglass for use with iron filings on the overhead projector. The iron filings align ... |
5H20.10 - Magnets on a Pivot | ![5h2010magnets_on_a_pivot](https://websites.umass.edu/plecprep/files/2015/07/5h2010magnets_on_a_pivot-300x225.jpg) | This demonstration shows that a magnet on a pivot will move in response to another magnet close by. A variation of this is ... |
5H30.10 - Magnet and TV | ![5h3010magnet_and_tv_2](https://websites.umass.edu/plecprep/files/2015/07/5h3010magnet_and_tv_2-300x225.jpg) | This demonstration shows what happens when you bring a magnet near a CRT. The magnet bends the electron ... |
5H30.15 - Bending an Electron Beam | ![5h3015bending_an_electron_beam_2](https://websites.umass.edu/plecprep/files/2015/07/5h3015bending_an_electron_beam_2-300x225.jpg) | This demonstration shows that a magnetic field can deflect a beam of moving electrons.
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5H30.22 - Magnetic Deflection of Cathode Ray (E/M Tube) | ![5h3022magnetic_deflection_of_cathode_ray_3](https://websites.umass.edu/plecprep/files/2015/07/5h3022magnetic_deflection_of_cathode_ray_3-300x225.jpg) | A beam of electrons is propelled vertically. When a current is sent through the Helmholtz coils, a magnetic ... |
5H40.10 - Parallel Wires (Pinching Wires) | ![5h4010](https://websites.umass.edu/plecprep/files/2015/09/5h4010-300x199.jpg) | This demonstration shows the interaction of current passing through parallel wires. The wires will pinch (parallel current), while the tin foil will spread apart (anti parallel current).
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5H40.30 - Jumping Wire | ![5h4030jumping_wire](https://websites.umass.edu/plecprep/files/2015/07/5h4030jumping_wire-300x225.jpg) | This demonstration shows the interaction between the moving current in a wire in the presence of a magnetic field.
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5H40.71 - Rolling Rod (Ampere's Motor) | ![5h4071](https://websites.umass.edu/plecprep/files/2015/09/5h4071-300x199.jpg) | This demonstration visually shows the interaction between a magnetic field and a current carrying rod.
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5H50.20 - Force on a Current Loop | ![5h5020force_on_a_current_loop](https://websites.umass.edu/plecprep/files/2015/07/5h5020force_on_a_current_loop-300x225.jpg) | This demonstration shows the force on a current carrying wire loop in a magnetic field.
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