Description
The device is intended to detect magnetic field and define its direction during demonstration experiments on magnetism and electromagnetism holding.
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The device consists of a magnet needle and a prop with rod. Magnet needle is implemented as a steel lag. A brass socket with axial bearing is fixed at the middle of the bar. The north pole of needle is colored and the south pole is colored red. The prop and the rod are made of plastic. The prop is implemented as round-shaped tool with a hole in the center. One end of rod is hardly fixed by needle. Another end is installed into the prop’s hole. Arrow’s axial bearing is put on edge of needle. The set includes two arrows and and two props with rods.
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