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demonstrations:5_electricity_and_magnetism:5h_magnetic_fields_and_forces:repulsion_small_version:start [2020/01/31 20:00] demoroom |
demonstrations:5_electricity_and_magnetism:5h_magnetic_fields_and_forces:repulsion_small_version:start [2020/01/31 20:11] demoroom |
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===== Purpose ===== | ===== Purpose ===== |