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Affordable, Easy, Fun Present these demonstrations in front of your class to excite your students about learning core physics concepts. Set up and execution are simple, so you can spend more time engaging your students. Ideal for introducing a unit or using as reinforcement after a lesson, these demos are available for all fundamental physical science topics. Observe how an electron beam interacts with a magnet when each is placed in close proximity to each other. With this unique demo, a self-contained power supply holds a vaccum tube with an anode and cathode. The cathode end features a phosphorous coating, which glows when exposed to electrons. As a student brings a magnet near, it causes the electron beam to move in a perpendicular direction to show students the deflection of an electron and how a cathode and anode both work. Includes a power supply, vacuum tube, and instructions. A magent is required, but not included. Size: 38 x 11 x 6cm. The tube is 22cm long and has a diameter of 3.7cm.


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